eukaryotic plant cells is correct ans
Answer:
prokaryotic cells
Explanation:
In this field of sunflowers, variation exists. Some flowers are tall, others short, and finally some plants are an intermediate height. The tallest plants shade the shorter; the taller plants are pollinated first. Over time, we might expect this field of sunflowers to be mostly tall. According to this scenario, we would classify the production of the sunflowers in what area of this Venn diagram? A) B) C) D)
I think the answer is C , sorry if I'm wrong
Answer:
Option A
Explanation:
As given in the question, the flower plants of varied height characteristics are used.
The characteristics of a plant being tall, short and intermediate is due to its genetic structure.
Also, it is given that trait of being tall is dominant over other characteristics and thus with time only tall species will be there. This represents variation in the characteristics of offspring governed by natural crossing and selection. Sexual reproduction causes these variations and thus involve crossover of characteristics of both the mating species.
In asexual reproduction, look alike offspring are produced
Hence, it lies in the part A of the venn diagram
Mrs. Jones is exposed to high-energy solar radiation. She develops skin cancer as a result of a mutation in skin cells. A physician removes the cancerous cells, and Mrs. Jones's good health is restored. Then Mrs. Jones becomes pregnant with her first child.Is the child at risk for inheriting the mutation that caused the skin cancer in her mother?a.Yes. The child has a 50 percent chance of inheriting the mutated DNA that caused the cancer.b.Yes. The child is at risk for inheriting the mutated DNA, although the percentage of the risk cannot be estimated.c.No. The mutation occurred in skin cells and not the ovaries, where egg cells are generated.d.No. The skin cancer wascured, so mutated DNA in the ovaries was removed.
.c.No. The mutation occurred in skin cells and not the ovaries, where egg cells are generated
No, the child is not at risk for inheriting the mutation that caused the skin cancer in her mother.
What is mutation?The mutation occurred in skin cells due to exposure to high-energy solar radiation, and it is not a hereditary mutation that can be passed down to offspring. The mutation is not present in the mother's germ cells (egg cells) and, therefore, cannot be inherited by the child.
Additionally, the cancerous cells were removed from the mother's body, so there is no remaining mutated DNA that could be passed down to the child.
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TRUE OR FALSE
Nerve cells, or neurons, carry messages in one direction.
False!
Neve cells send messages from your brain and to your brain.
That's why you feel pain, etc
Final answer:
Nerve cells, or neurons, carry messages in one direction, which is true. They are designed to send signals precisely from the cell body through the axon to another neuron's dendrites, and although interneurons carry impulses in both directions, they adhere to the one-way system of nerve impulse transmission in the nervous system.
Explanation:
The statement that nerve cells, or neurons, carry messages in one direction is TRUE. Neurons are the main functional units of the nervous system and have a unique structure that enables them to transmit nerve impulses effectively. A neuron's anatomy comprises a cell body, an axon, and dendrites. Signals originate in the cell body, travel down the axon, and are transmitted to another neuron's dendrites across a synapse using neurotransmitters. This unidirectional transmission is essential for the precise flow of information in the nervous system.
Furthermore, different types of neurons, such as interneurons, specifically carry nerve impulses back and forth within the brain and spinal cord, often between sensory and motor neurons. This exchange allows for complex reflexes and neural processes. Though interneurons communicate in both directions, they do so within their structure, respecting the overall one-way traffic rule of neuronal communication.
list three examples of mitotic reproduction
The three examples of mitotic reproduction include
Yeast buddingBinary fissionReplacement of worn out tissuesMitosis is a type of cell division in which all the traits from the parents are
passed to the offspring or to newer cells. Two identical daughter cells are
formed in this process.
Reproduction in organisms such as yeast and amoeba use these method of
reproduction.
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"Mitotic reproduction, also known as mitosis, is a process by which a single cell divides to produce two genetically identical daughter cells.
This is the primary method of reproduction in single-celled organisms and is also used for growth, repair, and asexual reproduction in multicellular organisms. Here are three examples of mitotic reproduction:
1. Bacterial Cell Division: Bacteria reproduce by binary fission, which is a form of asexual reproduction that involves mitotic division. The bacterial cell replicates its DNA and then divides into two daughter cells, each with identical genetic material.
2. Yeast Budding: Yeasts, which are single-celled fungi, reproduce asexually through a process called budding. During budding, a small bud forms on the parent cell, the DNA replicates, and the bud eventually separates to form a new independent cell that is genetically identical to the parent cell.
3. Regeneration in Planarians: Planarians are flatworms that exhibit remarkable regenerative capabilities. When a planarian is cut into pieces, each piece can regenerate into a complete organism through mitotic division. This process involves the dedifferentiation of cells into stem cells, which then proliferate and differentiate to form all the necessary tissues and structures of the new organism.
These examples illustrate the versatility and importance of mitotic reproduction across different life forms, from simple bacteria to more complex multicellular organisms."
Lakes and oceans are able to stabilize air and land temperatures because
i think because oceans and lakes are similar so Lakes and oceans are able to stabilize air and land temperature because oceans and lakes are similar
Answer:
Water is able to absorb large amounts of heat without significantly changing its temperature.
Explanation:
I got it right in a test. Hope this helped!
1.
Restriction Fragment Length Polymorphism (RFLP)
2.
Variable number of tandem repeats (VNTR)
3.
Tandem repeats
4.
Replication
a.
Repeated segments on the DNA strand.
b.
The process of creating new DNA from existing DNA.
c.
One of the methods forensic scientists use to study DNA.
d.
A section of a chromosome that has multiple copies of a particular DNA sequence occurring in a repeating fashion.
Restriction Fragment Length Polymorphism (RFLP) --> One of the methods forensic scientists use to study DNA
Variable Number of Tandem Repeats --> Repeated segments on the DNA strand
Tandem Repeats --> A section of a chromosome that has multiple copies of a particular DNA sequence occurring in a repeating fashion
Replication --> The process of creating new DNA from existing DNA
Which of the following describes how biological chemicals provide evidence to support that life changes over time?
A) some animals exhibit similar structures, possibly due to a common ancestor
B) some animals exhibit similar stages of embryonic development
C) some animals exhibit structures that are no longer used for any purpose
D) some animals exhibit similar proteins
it would be A because of the bone. bone, many bone structure that mainly every animal shares showing that we all came from common ancestors.
Answer:
Which of the following describes how biological chemicals provide evidence to support that life changes over time?
A) some animals exhibit similar structures, possibly due to a common ancestor
B) some animals exhibit similar stages of embryonic development
C) some animals exhibit structures that are no longer used for any purpose
D) some animals exhibit similar proteins
Explanation:
Biological evolution is the set of changes in phenotypic and genetic characters of biological populations through generations. This process has originated the diversity of life forms that exist on Earth from a common ancestor.
The answer is: A) some animals exhibit similar structures, possibly due to a common ancestor.
NEED HELP ASAP PLEASE !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!HELP ME !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
In the drawing above, the distance from the ground to the floor of the trailer is 28 inches. The length of the ramp is 70 inches. What is the mechanical advantage of this simple machine?
A.
28
B.
2.5
C.
2/5
D.
1/3
It would be 2.5
70/28=2.5
Answer:
Option B. 2.5
Explanation:
Step 1:
Data obtained from the question. This includes:
Height of slope = 28 inches
Length of slope (ramp) = 70 inches
Mechanical advantage =?
Step 2:
Determination of the mechanical advantage. This is illustrated below:
Mechanical advantage = length of slope / height of slope
Mechanical advantage = 70/28
Mechanical advantage = 2.5
comparing anaerobic and aerobic respiration
which nutrient helps to regulate body temerature?
Carbohydrates
Minerals
Proteins
Water
Minerals would be a reasonable explanation to this scenario
My opinion is on Minerals
Answer=Minerals
Proteins are made up of chemical compounds known as: amino acids fats carbohydrates enzymes
Amino acids
Explanation;Amino acids are the building blocks of proteins.Proteins are among the four basic biomolecules, others being, carbohydrates, lipids, and nucleic acids.Proteins are complex, organic compounds composed of many amino acids linked together through peptide bonds and cross-linked between chains by sulfhydryl bonds, hydrogen bonds and van der Waals forces.What does a carbon foot print refer to?
A carbon footprint is the total emissions of greenhouse gases caused by an individual D
What is the end result of meiosis
It is the option C, meiosis occurs in stem cells and its end result is to form two daughter cells identical to the stem cell, which contain the same ADN. This is divided into Meiosis Stage 1 and 2, in the first form two identical cells and in the second form four haploid cells with half the stem cell ADN
HOPE THIS HELPS
Meiosis / end result:
Meiosis is a cell reproduction method, which means that the end result of meiosis are four daughter cells.
Process:
Meiosis is a cell reproduction method divided into 2 major stages and each of these are divided into 4 steps:
Meiosis I = Prophase I, Metaphase I, Anaphase I and Telophase I.
Meiosis II = Pophase II, Metaphase II, Anaphase II and Telophase II.
Hope it helped,
BiologiaMagister
Which of these statements is true about heating up air in the lower atmosphere?
A. It occurs mainly through radiant energy.
B. It occurs through convection from Earth.
C. It happens to a different extent over land and water.
D. It takes place through conduction between the sun and air.
Final answer:
The true statement about heating up air in the lower atmosphere is that it happens to a different extent over land and water, mainly through the process of convection. This variation is due to the differing specific heats of land and water, and the role of latent heat through evaporation and condensation, demonstrating the complexity of atmospheric heating.
Explanation:
The statement C. It happens to a different extent over land and water is true about heating up air in the lower atmosphere. This variation is primarily due to the specific heat of land and water, and the process of convection. The land heats and cools more quickly than water, leading to differences in air temperature above these surfaces. This is evident in coastal areas where daytime and nighttime temperatures can vary widely compared to areas near large bodies of water which experience more moderate temperature changes. Convection plays a key role in this process as the warm air from the earth's surface rises and cools, and cooler air sinks, creating a convection current that is the primary method of heat transfer in the atmosphere.
Additionally, latent heat also contributes to the heating of the air through the processes of evaporation and condensation. When water evaporates, it absorbs heat from its surroundings, cooling the surface. Conversely, when water vapor condenses into liquid, it releases latent heat, warming the air. These processes are intertwined with convection to regulate temperatures in the lower atmosphere, further illustrating the complexity of atmospheric heating and its dependence on various factors, including geography and surface materials.
What percentage of all water is fresh on earth?
3% of earth's water is actually fresh, not salty ocean water
2.5%
While nearly 70 percent of the world is covered by water, only 2.5 percent of it is fresh. The rest is saline and ocean-based. Even then, just 1 percent of our freshwater is easily accessible, with much of it trapped in glaciers and snowfields.
What two main biological processes are responsible for the cycling of oxygen
Answer:
Main biological process are photosynthesis and respiration, responsible for the cycling of oxygen.
Explanation:
The two main process are responsible for the cycling of oxygen are photosynthesis and respiration. They are interconnected with the water cycle and carbon cycle.
The oxygen is the cycle that helps to move oxygen from biosphere, lithosphere and atmosphere. How the oxygen cycle takes place:
Photosynthesis: During the day, plants take energy from the sun, Carbon-dioxide from the air and water from the to make their food in the presence of sunlight. Their food is : Glucose. Oxygen is released into the air as a by-product.
Respiration: The oxygen is released by the plants used by animals, humans and other organisms that is breathing. During respiration, organism take in oxygen and release carbon-dioxide into the air.
Repeat: This carbon-dioxide is again take up by plants for the photosynthesis.
Arrange the trophic in ascending order starting from the base of the ecological pyramid of energy and increasing to the top.
• Secondary consumers
• Herbivores
• Producers
• Apex predators
Producers, herbivores, secondary consumers, apex predators
The ecological pyramid of energy is organized in ascending order as Producers, Herbivores (Primary consumers), Secondary consumers, and Apex predators (Tertiary and other high-level consumers).
In an ecological pyramid of energy, organisms are arranged in a linear sequence based on their roles as producers and consumers, known as trophic levels. The ascending order of these levels, starting from the base and moving up to the top, is as follows:
Producers
Herbivores (Primary consumers)
Secondary consumers
Apex predators (Tertiary and other high-level consumers)
At the base are the producers such as plants and phytoplankton, which are able to create their own food through photosynthesis. The next level up consists of the primary consumers, which are herbivores that feed on these producers. Secondary consumers typically are carnivores that consume the primary consumers. Finally, apex predators occupy the top of the pyramid, being tertiary or higher-level consumers that have no natural predators.
The strength of gravitational force is affected by the mass of objects and which of the following?
A
Distance
B
Speed
C
Velocity
D
Weight
It’s A. Distance
The strength of the gravitational force between two objects depends on two factors, mass and distance
Answer:
A Distance
Explanation:
Why is meiosis important for organisms
Answer:
Meiosis is important because it generates genetic diversity and variation.
Explanation:
Meiosis has its significance generates by recombination and sexual reproduction genetic diversity. It also repairs genetic defects in germline cells.
It helps maintain the perpetuity of the germline, by the elimination of defective meiocytes possible or by a process of renewal involving the removal of faulty protein and protein molecules.
Thus, Meiosis is important because it generates genetic diversity and variation.
1. which describes is the best example of a population?
a. all of the red foxes in a forest
b. all of the red foxes in every Forest
c. all of the organisms in a forest
2. a certain plant requires moisture oxygen carbon dioxide light and minerals in order to survive . this statement shows that a living organism depends on ______?
a. symbiotic relationship
b. abiotic factors
c. biotic factors
it is a for number one and for number 2 it is b
The best example of a population is 'all of the red foxes in a forest' because a population consists of individuals of a species in a specific area. A plant requires abiotic factors like moisture, oxygen, and minerals to survive, indicating its reliance on non-living parts of the environment.
The best example of a population is a. all of the red foxes in a forest. This is because a population refers to all the individuals of a species living within a specific area. For instance, all the pine trees in a forest would represent the population of pine trees within that ecosystem, just as all red foxes in a forest would represent the red fox population there.
In regard to the plant described, the statement shows that a living organism depends on abiotic factors. Abiotic factors are the non-living parts of an organism's environment, which in the case of the plant include moisture, oxygen, carbon dioxide, light, and minerals. These elements are critical for the survival of most plants and are not considered symbiotic relationships, which involve interactions with other living organisms, or biotic factors which are the living components of an environment.
An organism that feeds upon producers is known as a _______. A. decomposer B. primary consumer C. secondary consumer D. secondary producer
the answer is b i think
Given the following diagram, what product is produced at Location A?
Carbohydrates
Limestone
Oxygen
Water
In the context of Location A being at the bottom of the ocean, involved in sinking particles, the most likely product produced is limestone. This process is known as marine sedimentation.
Marine sedimentation involves the accumulation of organic and inorganic particles, including the remains of marine organisms and mineral particles.
Over time, as these particles settle to the ocean floor, they undergo compaction and cementation processes, leading to the formation of sedimentary rocks, such as limestone.
The equation for the formation of limestone can be represented as:
[tex]\[ \text{Calcium carbonate (in solution)} \rightarrow \text{Limestone (solid)} + \text{Water} + \text{Carbon dioxide (released)}.\][/tex]
Therefore, based on the location and the process described, it is reasonable to conclude that the product produced at Location A is limestone through the marine sedimentation of sinking particles at the bottom of the ocean.
How would a block on the trade of these goods affect your life
Fewer cheap China goods means fewer goods available to buy and therefore more expensive local goods. I'll have less available to buy and they will cost me more.
Answer:
The answer is: Blocking of low cost goods, involves a change to the purchase of high cost, and instead of more quantity of goods, the amount is these, also decreases.
Explanation:
A blockade in the trade on low-cost products would mean that the offer would become high-cost products, which would lead to buy less things for a higher price, while with low-cost products, more things can be bought at less price .
The answer is: Blocking of low cost goods, involves a change to the purchase of high cost, and instead of more quantity of goods, the amount is these, also decreases.
what organelle in eukaryotic cells holds the DNA
in Eukaryotic cell the organelle which holds the DNA is the nucleus. however, some part of DNA can also be found in mitochondria and chloroplasts.
Final answer:
The organelle in eukaryotic cells that holds the DNA is the nucleus.
Explanation:
The organelle in eukaryotic cells that holds the DNA is the nucleus. The nucleus is the largest organelle in a eukaryotic cell and is considered to be the cell's control center. It contains most of the cell's DNA, which is organized into chromosomes, and is responsible for regulating gene expression.
predict the patterns of interactions among organisms in an ecosystem. Please give me an explanation of what this is asking and an example.
i would say it means how would organisms would react in an ecosystem. think of everyday life in your backyard perhaps. the grass uses the energy from the sun to grow. another organism, lets say a horse, eats the grass as a main source of food. lets say another grass eater lives there too-like a cow. the cow and the horse would naturally compete as they both rely on the same food source, and the same living space that is close to that food source, and so on as you move up in the food chain.
Which of these factors is used to classify the different organisms on Earth into Kingdoms (such as protists, fungi, plant, animals, and bacteria) ?
I Number of cells in the organism
II How the organism obtains energy
Question 15 options:
I only
II only
I and II
i think it could be both i could be wrong im a little dusty on this subject but i hope this helped atleast a little ^^
I and II is the answer I think were from the same school.
Human activities can affect plant growth. Suppose a large Factory is developed near a forested area. Which of the following environmental factors is most likely to affect the forest?
A) Air Pollution
or
B) Lack of rainfall
What is the definition of Apoptosis?
the death of cells which occurs as a normal and controlled part of an organism's growth or development.
Apoptosis is a programmed cell death mechanism that occurs when a cell is damaged or unnecessary. It allows cells to die in a controlled manner, preventing the release of harmful substances. Examples of apoptosis include amphibian metamorphosis and the elimination of unneeded cells during embryological development.
Explanation:Apoptosis is a programmed cell death mechanism that occurs in organisms when a cell is damaged, unnecessary, or potentially harmful. It allows cells to die in a controlled manner to prevent the release of harmful substances. Examples of apoptosis include amphibian metamorphosis and the elimination of unneeded cells during embryological development. In T-cell development, apoptosis helps remove potentially dangerous cells that bind to 'self' proteins.
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Ms. Johns shows her class a correct model of the Solar System. What can the model show that is just like the real Solar System?
A)
how heavy Earth is
B)
how fast the Sun spins
C)
how many planets there are
D)
how big the Solar System is
ANSWER: C: HOW MANY PLANETS THERE ARE
EXPLANATION: A model cannot show accurate weight. The Sun doesn't spin, and the Solar System cannot be accurately measured in a model
Answer:
Option C, How many planets there are
Explanation:
The model of solar system presented here is a static model which means it can only display the static characteristics. Therefore, this model only presents the number of planets in the solar system.
In this model, weight of earth and size of the solar system can be resented through relative scale of weight such a one gram of weight representing 100000 Kg or 1cm representing 1 light year of distance but since no specific detail is given regarding any relative scale , thus option A and D are not the correct choice of answer
Option B is also not a correct choice of answer as speed is a dynamic characteristics and it cannot be represented in a static model.
How can volcanic irruption’s increased global temperatures
gases and dust particles fly into the atmosphere
except they actually cool the earths temperature
hope this helps :)