B. it has pairs of matching chromosomes.
Have a great day!
If a species has homologous chromosomes it means that It has pairs of matching chromosomes.
What are homologous chromosomes?One of a pair of chromosomes with the same gene sequence, locations, chromosomal length, and centromere placement is referred to as a homologous chromosome. One paternal and one maternal chromosome make up a homologous pair. In the nucleus of a somatic cell in humans, there are 46 chromosomes in total. The father inherits half of them (22 autosomes + X or Y chromosome) and the mother inherits the other half (22 autosomes + X chromosome). During meiosis, each maternal chromosome pairs up with a matched paternal chromosome.learn more about homologous chromosomes here:
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Which of these is an environmental change that occurs rapidly?
A. Forest Succession
B. Tree Growth
C. Decomposition
D. Volcanic Eruption
Thank For Helping I Will Give Brainliest For First Answer
Answer:
Its (D) Volcanic Eruption
Explanation:
Answer:
D. Volcanic Eruption
Explanation:
Okay, logically, if you look at the answer I've given (Volcanic Eruption) there's a clear idea that this doesn't just take time to happen. No, Volcanic Eruptions happen within a few hours, and end up with big drastic changes within that time span, which is much shorter than the other options time span of change (Tree Growth, Decomposition, Forest Succession).
I also did the test.
For most ecosystems the ultimate source of energy is
A.plants
B.producers
C.the sun
D.water
The correct answer would be c. the sun.
The sun is the ultimate source of energy in any ecosystem.
The solar energy is converted into chemical energy with the help of autotrophs or producers through the process of photosynthesis.
The ultimate source of energy for most ecosystems is the sun. It drives the process of photosynthesis in plants, which in turn provides food and energy for other organisms in the ecosystem.
Explanation:For most ecosystems, the ultimate source of energy is C. the sun. This is because the sun provides the initial energy that fuels the process of photosynthesis in plants or producers. In turn, plants convert the sun's energy into chemical energy, creating food through a process known as photosynthesis, which serves as the primary energy source for all other organisms in the ecosystem.
Plants capture sunlight and convert it into glucose, which they use to grow and survive. When animals consume these plants, the energy is transferred up the food chain to consumers, decomposers, and finally back to the environment. This entire process is driven by solar energy.
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describe how minerals form in diagram B
One of the two ways minerals form is by: 1. crystallization of magma (cools inside the crust) or lava (cools & hardens on the surface) 2. crystallization of materials dissolved in water. When these liquids cool to a solid state, they form crystals.
Hope this helps...
Answer: In diagram B, the magma here is observed to be within the crust and could not come out to the surface. This signifies that the hot, rising magma, suddenly cooled down forming a huge block of mass which is considered to be an intrusive igneous body. It can be a batholith, lacolith or a pluton. This type of body is formed due to the cooling and the consolidation of hot magma.
What type of lipid is estrogen? steroid phospholipid triglyceride wax
estrogen is steriod lipid
Answer:
Choice A
Explanation:
This is the speed at which a reaction progresses.
Answer:
Reaction Rate
Explanation:
The speed at which a reaction progresses, known as the reaction rate, is a key concept in Chemistry. It is the rate at which reactants are converted into products in a chemical reaction, influenced by factors such as concentration, temperature, the presence of a catalyst, and surface area.
Explanation:The speed at which a reaction progresses relates to the concept of reaction rates in Chemistry. It can be defined as the rate at which reactants are converted into products in a chemical reaction. The speed of the reaction may be influenced by factors such as concentration of reactants, temperature, presence of a catalyst, and surface area of reactants.
For instance, if you mix baking soda and vinegar, the reaction will happen quite quickly. This represents a reaction with a high speed. On the other hand, if you left an iron nail outside, it would take days or even weeks for the iron to react with the oxygen in the air and form rust, signifying a reaction with a slower speed.
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You get a paper cut on your finger . Which cell process will your skin cells undergo to heal your cut?
A.exocytosis
B.mitosis
C.meiosis
D.sexual reproduction
Answer:
B. MITOSIS
Explanation:
The circulatory system stops the bleeding with platelets, which provide a seal so that healing can begin. The immune system kills off any bacteria that get into the wound and helps to eat away any debris so healing can begin. The nervous system responds to the cut with pain, telling me that an injury occurred.
Blood typing was used to help resolve a paternity dispute. The mother has Type A blood, the child has type O, one potential father (Mr. Brown) has type B blood, and the other potential father (Mr. Williams) has Type AB. Whose the father?
If im not wrong the father would be Mr Williams because type ab and o have some similarities compared to b
he correct answer is Mr. brown
The mother gas AO genotype the father has BO genotype which which 25% probability gives us a child with OO genotype.
(03.02 LC)Which of the following correctly describes the Law of Conservation of Energy?
Energy can be created but cannot be destroyed.
Energy cannot be created but can be destroyed.
Energy can be created or destroyed.
Energy cannot be created or destroyed.
Answer:
Energy cannot be created or destroyed.
Explanation:
Energy may be defined as the quantitative property that provides the capacity to do any work. Energy can be present in the different forms. The S.I. unit of the energy is joules.
Energy follows the law of conservation. According to this law, the energy can neither be created and it cannot be destroyed. The energy changes from one form to the another form.
Thus, the correct answer is option (4).
0
1. Which of the following statements regarding the moon is correct?
A. The moon is tidally locked to Earth.
B. The moon's surface exhibits plate tectonic activity.
C. The moon's surface exhibits active volcanism.
D. The moon's surface doesn't have any craters.
2. How are elements that are heavier than hydrogen spread throughout the universe?
A. When a star collapses into a neutron star
B. When a star explodes as a supernova
C. When a star forms into a red giant
D. When a star collapses as a black hole
3. The Milky Way is held together by a black hole's gravitational force. Since the stars near this black hole move at a high speed, what can you infer about the black hole?
A. Its location
B. Its size
C. Its depth
D. Its speed
4. Suppose scientists believe that they've discovered a new planet. Which of the following must be true for the object they've found to qualify as a planet?
A. It must be capable of supporting life.
B. It must have minimal gravity forces.
C. It must be shaped like an ellipsis.
D. It must follow a closed orbit around a star.
Please help :) thanks
1
Answer:
The moon's surface exhibits active volcanic activity.
Explanation:
According to observations made from outside earth's surface, the moon has got active volcanic activity going on there.
Other than the moon, the other ones are:
Earth.Venus.Saturn's moon Enchiladas. Neptune's moon Triton.This volcanic activity causes mass movement of land masses from their original position to a new position.
2
Answer:
B. When a star explodes as a supernova
Explanation:
Elements are spread thought the universe in many different ways.
Elements that are heavier than hydrogen are formed in the massive stars and spread in the universe when the massive stars end in supernova explosions.
After this explosions, this elements that there before are held in the massive stars are released into the universe.
3
Answer:
B. Its size
Explanation:
By accessing the speed at which the objects around the black hole move, we can determine its mass which is its size.
Since a black hole cannot be seen, we identify its mass and location through observing and analyzing the movement of objects like stars around it, if they appear to be moving at a very high speed, then that infers that there is a large black hole that is making the stars spin.
4
Answer:
D. It must follow a closed orbit around a star.
Explanation:
In order for an object to qualify to be a planet it must follow a closed orbit around a star.
A good example is the planet earth, it follows a closed orbit around a star with the star being the sun.
Other qualifications are:
It must have enough gravitational pull that leads it to be in a spheroidal shape.
The correct statement regarding the moon is:
A. The moon is tidally locked to Earth.
What is the meaning of "The moon is tidally locked to Earth."The moon is tidally locked to Earth, which means that the same side of the moon always faces Earth. This occurs due to the gravitational forces between the Earth and the moon.
2. Elements that are heavier than hydrogen are spread throughout the universe when:
B. When a star explodes as a supernova.
During a supernova, the explosion of a massive star releases enormous energy and spreads heavy elements, synthesized in the star's core through nuclear fusion, into the surrounding space. This process disperses elements like carbon, oxygen, iron, and others into the universe.
3. Regarding the black hole holding the Milky Way together and the high speed of nearby stars, the inference that can be made is:
B. Its size.
4. For the object scientists discovered to qualify as a planet, the following must be true:
D. It must follow a closed orbit around a star.
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_____ are larger cells with membrane-bounded organelles. Prokaryotes Eukaryotes
Answer:
Eukaryotes
Explanation:
Eukaryotes are all animals, plants and fungi. The unicellear protists also have eukaryotic or true cells.
Eukaryotes are any of the single celled or multicellular organisms whose cells have at least one distinct nucleus. The cells are enclosed within a membrane.
Eukaryotes are an advancement over the prokaryotes whose cells are quite primitive in nature. Prokaryotes are a group of organisms characterised by absence of membrane bound organelles and a true nucleus.
Examples of prokaryotes are the archae and the bacteria.
Match the description of each organism to the appropriate category
I’ll help if u send the options:)
Taxonomy is the branch of biology dealing with the classification of organisms. The scientific name of an organism includes its genus and species, using a system called binomial nomenclature. The system categorizes life from broad classes to very specific species, a method developed by Carl Linnaeus.
Taxonomy and Classification in Biology
In the field of biology, the classification of organisms is a fundamental activity. Taxonomy is the branch of biology that is concerned with the naming, grouping, and classifying organisms based on shared characteristics. The scientific name of an organism includes its genus and species, which are parts of a hierarchical system that organizes life into categories such as domain, kingdom, phylum, class, order, family, genus, and species. This system was developed by Carl Linnaeus, who is also known as the inventor of the modern classification system. This system of nomenclature is known as binomial nomenclature. A species is defined as a group of organisms capable of interbreeding and producing fertile offspring. Matching instructions require pairing organisms to their corresponding taxonomic groups or environmental niches.
When undertaking laboratory exercises in microbiology, it's important to study specimens, use dichotomous keys for identification, and understand the organism's placement within the taxonomic structure. Diagrams of classification categories assist in understanding the organization and relatedness of different organisms.
For example, in an experiment matching bacteria to their preferred environment, students must draw on their knowledge of both taxonomy and the ecological characteristics of different bacterial species. It's a detailed process that combines morphology, genetic analysis, and environmental factors for accurate classification.
what do proteins, carbohydrates, lipids have in common?
Answer:
One of the biggest similarities among carbohydrates, proteins and fat is that all three break down into identical compounds. When you burn nutrient molecules for energy -- regardless of whether you're burning monosaccharides from carbohydrate, amino acids from protein, or fat -- you produce small molecules called acetyl-CoA. You then continue to burn the acetyl-CoA, eventually producing the waste products carbon dioxide and and water.
Answer:
They are all formed from the same elements
Explanation:
22 POINTS AND BRAINLIEST
Which types of cells remain in the body, ready to attack a pathogen that re-enters the system? A. memory T and B cells B. pathogenic cells C. macrophage D. antigens
Answer:
The correct option is option "B"
Explanation:
pathogenic cells
Pathogen reenters in the body after a time the immune system recognizes the pathogen and creates a secondary immune response, hence a option memory T cells and B cells attack the pathogen is correct.
What is an immune response?When an antigen enters the body, an immune response is created against the antigen, the antigen may bacteria, viruses, and pathogens.
When the first time a pathogen is encountered by the host immune system, the host creates a primary immune response which is in a lower amount. But when after a period of time when the same pathogen encounters it creates a secondary immune response.
The secondary immune response is done by the B cells and memory T cells which is generated in the primary immune response when a pathogen first time encounters.
Therefore memory T cells and B cells are ready to attack pathogen reenter, hence option a is correct.
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What is the intertidal zone?
A) Where the ocean meets fresh water
B) Where the ocean meets the land
C) Where the ocean meets a tide
D) Where the ocean meets a reef
Answer:
The answer here is B.
Hope this helps!!
How will a short term environmental change most likely affect organisms within an ecosystem
Answer:
d. and e. I believe would be the correct answer
What is the advantage of taking several measurements of the same thing in an
investigation?
A. It increases the time spent on an investigation.
B. It ensures greater accuracy in your observations.
C. It makes your hypothesis testable.
D. It enables you to communicate your results.
Answer:
It ensures greater accuracy in your observations.
Explain the water cycle using the terms condensation, evaporation, and precipitation.
Answer:
The water cycle is also known as the hydrological cycle. It shows how water is circulated continuously within the atmosphere of the Earth.
Evaporation is the process where water, when heated, goes from the liquid to gaseous state in the form of vapor. This is how water gets from the geosphere to the atmosphere. As the vapor rises, the air around it gets cooler, and this is where condensation occurs. Condensation is the process where vapour will turn into its liquid state. As more vapour condense they start to form clouds. When the cloud gets dense enough, the water falls back to Earth through precipitation.
What is the speed of a wave that has a frequency of 125 Hz and a wavelength of 1.25 meters? Express your answer to the nearest whole number. meters per second
Answer:
156m/s
Explanation:
You can easily solve for this using the formula of the speed of a wave:
[tex]v=f\times\lambda[/tex]
Where:
v = velocity/speed
f = frequency
λ = wavelength
In our problem we were given the following:
f=125Hz
λ = 1.25m
So we plug that into our formula:
[tex]v=f\times\lambda\\v = 125Hz\times1.25m\\v=156.25[/tex]
If we round to the nearest whole number, the answer would be 156 m/s.
Answer:156 meters per second
Explanation:
information based on opinions is valid. Please select the best answer from the choices provided T or F
Answer:
f
Explanation:
Plz help asap} In the respiration equation, does energy act as a reactant or a product? Explain
Answer:
product
Explanation:
How is water vapor created?
Water vapor is created through evaporation and boiling, where water molecules gain enough energy to transition from liquid to gas. This process is largely influenced by the energy from the sun, especially over large bodies of water. The water vapor spreads and contributes to weather patterns by forming clouds and precipitation.
Water vapor, a crucial component of the atmosphere, is primarily created through two processes: evaporation and boiling.
Evaporation occurs when water molecules at the surface gain enough energy from heat to transition from the liquid phase to the gas phase. This process is most effective in large bodies of water such as oceans, which cover a significant portion of Earth's surface. As the sun provides energy, water molecules absorb this energy and escape into the atmosphere as vapor.Similarly, boiling involves heating water to its boiling point, causing rapid changes of liquid water into water vapor. In both cases, the water vapor rises into the atmosphere due to its lower density compared to liquid water.
This water vapor then spreads across the globe, carried by prevailing winds. It plays an important role in weather and climate by forming clouds and precipitation. Over time, the atmosphere reaches a balance between evaporation and condensation, resulting in saturated air.I Need Help ASAP...Please..
1. Which statement correctly describes the immune system of a person with AIDS?
A)it has many memory cells
B) the number of helper T cells is low
C)it uses only humoral response
D)it has more antibodies than it can see
2. Which statement applies to viral pathogens but not bacterial pathogens?
A)doctors have had much success treating the disease
B) they all cause the influenza disease
C) They all cause an autoimmune response
D) Antibiotics have no effect on them
Answer:
1. B
Explanation:
AIDS shuts down cells that fight against possible bad cells. With AIDS those cells are limited.
Cacti with very few spines tend to be eaten by animals, and cacti with many spines tend to be
preferred by parasitic insects. This causes cacti with an average number of spines to be preferred. How
would you explain this?
O A. This is an example of a disruptive selection in which the population of cacti is divided and well defined
O B. This is an example of directional selection in which one end of the bell curve is better adapted to its
environment than the other end
O C. This is an example of bidirectional selection in which evolutionary pressures from multiple sources
encourage an organism to adapt
O D. This is an example of a stabilizing selection in which the intermediate form of a trait is advantageous
compared to the extreme forms of the trait
The average number of spines in cactus is preferred as it is an example of stabilizing selection in which the intermediate form of a trait is advantageous compared to the extreme forms of the trait. Thus, the correct option is D.
What is Stabilizing selection?Stabilizing selection is a type of natural selection in which a population stabilizes on a particular non-extreme trait value. This is thought to be one of the most common mechanism of action for the natural selection of a population because most traits do not appear to change drastically over time in the population.
In the cactus population, the character with average number of spines if preferred over the other two traits as the cactus with very few spines tend to be eaten by animals and the cactus with many spines tend to be preferred by the parasitic insects. Thus, the cactus with average number of spines is preferred as it shows more rate of survival than the other two types of cactus.
Therefore, the correct option is D.
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D. This is an example of a stabilizing selection in which the intermediate form of a trait is advantageous compared to the extreme forms of the trait.
The scenario described represents a stabilizing selection, where the intermediate form of a trait—in this case, the average number of spines—is advantageous compared to the extreme forms of the trait. Cacti with very few spines are vulnerable to being eaten by animals, while those with many spines are preferred by parasitic insects. Consequently, cacti with an average number of spines are favored, as they strike a balance between protection from herbivores and susceptibility to parasitic insects. This stabilizing selection maintains the prevalence of cacti with an intermediate number of spines in the population, as they are better suited to survive and reproduce in their environment than those with fewer or more spines.
Which steps do geologists use to find the epicenter of an earthquake? Check all that apply.
Answer:
The correct answer is They measure the difference between arrival of P waves and S waves, They draw circles around the epicenter from three locations"They measure the difference between arrival of P waves and S waves" This method is used to determine how far seismograph is from the epicenter. It is not the direct step of finding epicenter but after finding this distance , epicenter in located.In the second step the distance measured above is converted to the unit of map and three circles are drawn from the location of seismographAll organisms contain _____ and require it to survive
A. Helium
B. Carbon
C. Zinc
D. Polonium
Answer:
Carbon
Explanation:
Carbon is the most essential element to make organic compounds found in all organisms.
That's why carbon dating technique is used to know the age of fossils of any organisms.
Based on this image, what can be inferred about the organization of life?
Answer:
Option 2, Bigger systems are built on smaller system
Explanation:
As it is clear in the image, all components on the earth (living or non living ) are composed of the tiniest particle known as atom.
An atom constitutes a molecule which further collate to form cell organelles. A group of cell organelle leads to formation of cell. Cell form tissue, tissue form organs, organs form animals, plants, & other living organisms. Group of organism in an interdependent relationship living in a given environment forms an ecosystem and group of ecosystem leads to formation of biosphere.
Hence a bigger system like biosphere is composed of several smaller components which are in turn composed of other smaller components. Hence, option 2 is correct
Answer: Bigger system build on smaller system.
Explanation:
The level organization states that the smaller organism leads to the formation of larger organism. The cell is structural and functional unit of life.
The smaller group combine together to form larger organism, The cells combine together to form tissue.
Tissues combine to form organ and then organ system. This shows the level of organization that started from the atom and ended on the biosphere.
Difference between bulb and bulbil? In 2point
the test request form for microbial studies should conain what?
Answer: Microbiology is the study of microorganisms, which are unicellular or cell-cluster microscopic organisms. This includes eukaryotes such as fungi and protists and prokaryotes such as bacteria and certain algae. Viruses are also included.
Explanation:
Final answer:
The test request form for microbial studies should include comprehensive details like Gram Stain Results, Metabolic Test Results, sample labeling, and colony characteristics to aid in the accurate study and identification of microorganisms.
Explanation:
The test request form for microbial studies should contain several critical pieces of information to ensure accurate identification and characterization of microorganisms. Key elements to include in the form are:
Gram Stain Results: A detailed description of the color, Gram reaction, morphology, and arrangement of the bacteria. This should include a photograph or a color drawing when possible.Metabolic Test Results: Summarized data from the metabolic tests performed, detailing observations such as colors and bubbles, interpretation of positive or negative results, and the associated metabolic processes.Clear labeling of samples and plates, including details such as the surface examined, the date of inoculation, and any relevant environmental conditions or controls.Data regarding colony characteristics such as form, elevation, margin, color, and diameter, in addition to results from various tests performed.These details are crucial for the proper identification and study of microbes, and should be recorded methodically as per the instructions given during laboratory sessions. Utilizing tools like the Microbiology Review site on Blackboard can aid in cross-referencing and validating results.
An equinox occurs when _____.
neither end of Earth’s axis is tilted toward or away from the sun
the north end of Earth’s axis is tilted away from the sun
Earth’s axis is parallel to the sun’s rays
the north end of Earth’s axis is tilted toward the sun
Answer:
neither end of Earth’s axis is tilted toward or away from the sun
Explanation:
Answer:
a
Explanation:
What is the relationship between a mutation and a gene?
A. A mutation changes the sequence of DNA bases of a gene.
B. A mutation creates new genes from the same DNA segment.
C. A gene causes a mutation when it manufactures the wrong protein.
D. A gene results in a mutation when it produces a change in the type of mRNA.
Thanks For Helping
Answer:
(A) is your answer: Mutation Generates New Alleles. The whole human family is one species with the same genes. Mutation creates slightly different versions of the same genes, called alleles. These small differences in DNA sequence make every individual unique.
Explanation:
Final answer:
A mutation is a permanent change in the DNA sequence of a gene, which can be caused by errors during DNA replication or environmental factors. Types of mutations include point mutations, deletions, and insertions, potentially altering the protein made by the gene. So the correct answer is option A.
Explanation:
The relationship between a mutation and a gene is that a mutation represents a permanent alteration in the sequence of DNA that constitutes a gene. Essentially, a mutation changes the sequence of DNA bases for a gene (Option A). There are different types of mutations, such as point mutations, which happen when a single base is substituted for another, or frameshift mutations, which include insertions and deletions of DNA bases.
For example, if a gene has two fewer nucleotides in its sequence, this type of mutation is called a deletion. This can have varying effects on the resulting proteins and, consequently, on the organism's phenotype, which is its observable characteristics.
Mutations can be caused by errors during DNA replication or by exposure to environmental mutagens. While many mutations are neutral, some can be beneficial and others can be harmful, affecting an organism's health and function.