What can you infer from the fact that so many fossils are of shells, skeletons, and teeth? select one:?
Which part of the brain contains the client's "central switchboard" of the central nervous system?
During _____ both the contents of the nucleus and the cytoplasm are divided. during _____ both the contents of the nucleus and the cytoplasm are divided. g2 mitosis s g1 the mitotic phase
During mitosis, both the nucleus and cytoplasm are divided. This is part of the mitotic phase, which also includes cytokinesis, the division of the cytoplasm into two daughter cells. This follows interphase, which is when the cell prepares for division by growing and duplicating its DNA.
Explanation:During mitosis, both the contents of the nucleus and the cytoplasm are divided. Mitosis is the first part of the mitotic phase and consists of five stages. During this process, the duplicated chromosomes are aligned, separated, and moved to opposite poles of the cell.
Following mitosis is cytokinesis, the second part of the mitotic phase. Cytokinesis refers to the division of the cytoplasm and cell body into two new identical daughter cells. The division of the nucleus and cytoplasm ensures that both daughter cells receive a full set of chromosomes and enough cytoplasmic machinery to operate.
Overall, interphase, including phases G₁, S, and G₂, and the mitotic phase (mitosis and cytokinesis) are crucial parts of the cell cycle. It's important to note that interphase is characterized by cell growth and DNA duplication, preparing the cell for division during the mitotic phase.
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The process in which yeasts break down sugars and produce carbon dioxide and alcohol is called ____________________ fermentation.
How can fossils BEST help paleontologists and biologists classify organisms?
Answer:
Explanation:
A palentologists can be define as a scientists who studies the fossil. By studing the fossils they determine the form and features of primitive living organisms used to live on earth. On examining the features these organisms can be classified in different categories and their evolutionary history can be traced.
(02.01 HC)
While looking at a cell under a microscope, a scientist is able to see a biological molecule. This molecule is a nucleic acid with a ladder structure and contains the nitrogenous bases adenine, thymine, cytosine, and guanine. Based on this information, what conclusion can the scientist draw regarding this nucleic acid? (2 points)
The nucleic acid is RNA and would be found in the cell's nucleus.
The nucleic acid is RNA and would be found in the cytoplasm.
The nucleic acid is DNA and would be found in the cytoplasm.
The nucleic acid is DNA and would be found in the cell's nucleus.
Answer:
The correct answer will be option the nucleic acid is DNA and would be found in the cell's nucleus.
Explanation:
Two types of nucleic acids are found in the organisms - DNA and RNA, which acts as genetic material. Although they both are the nucleic acids they possess certain structural differences in their sugar component and nitrogenous bases.
According to the question, the nucleic acid shows four bases adenine, thymine, cytosine and guanine which are present in the DNA as RNA do not contain thymine but contain uracil instead of that. This DNA is usually present in eukaryotes in packed forms inside a small organelle called Nucleus.
Thus, option the nucleic acid is DNA and would be found in the cell's nucleus is the correct answer.
How many passengers can fit into the cessna 406 hold?
Although the capacity of the Cessna 406 is not provided, similar Cessna models show that passenger capacity depends on the aircraft's weight limits and the weight of fuel and equipment. For instance, a Cessna 172 can hold up to 625 pounds of passengers and a Cessna 182 Skylane up to 769 pounds.
By examining similar aircraft, we can gather that passenger capacity is dependent on the aircraft's maximum gross takeoff weight and its fuel capacity. For example, the four-place Cessna 172 has a maximum gross takeoff weight of 2300 pounds, with an allowance of 625 pounds for passengers and equipment after considering the plane's weight and fuel, averaging 156 pounds per person. And similarly, the Cessna 182 Skylane can accommodate pilot, passengers, and accessories weighing up to 769 pounds. Thus, while the question about the Cessna 406 is not explicitly answered, we can infer that to calculate passenger capacity, one must consider the specific aircraft's weight and balance limits, and reduce the maximum gross takeoff weight by the aircraft's empty weight and fuel weight.
Beetles are typically the first insects present on human remains.
True
False
The four most common elements found in living organisms are ________. the four most common elements found in living organisms are ________. oxygen, calcium, hydrogen, and carbon carbon, oxygen, nitrogen, and hydrogen carbon, oxygen, potassium, and calcium nitrogen, oxygen, phosphorus, and carbon
The four most common elements found in living organisms are carbon, oxygen, nitrogen, and hydrogen.
The correct option is B; carbon, oxygen, nitrogen, and hydrogen.
What are the common elements found in living organisms?Carbon, hydrogen, nitrogen, oxygen, phosphorus, and sulfur are the six elements that are most commonly found in living organisms.
The six most prevalent elements in biomolecules or biological macromolecules are these six. Large, organic molecules known as biomolecules are essential to all living organisms.
Among the six however, the four most common elements found in biomolecules in living organisms are carbon, oxygen, nitrogen, and hydrogen.
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When two experiments are identical except for one variable, the experiment is called a(n) _____. controlled experiment variable experiment uncontrolled experiment
Do you think you would like to participate in an autopsy? Why or why not?
A person uses a spoon to eat a certain food. each spoonful tastes slightly different from the one before it. the food is most likely _____. a compound a heterogeneous mixture an element a homogeneous mixture
Answer: Option (b) is the correct answer.
Explanation:
A mixture that consists of two or more components in a solution which are distributed in non-uniform composition is known as a heterogeneous mixture.
For example, mud in water is a heterogeneous mixture.
Components of a mixture never combine chemically with each other.
A compound is a substance that contains two or more elements which are chemically combined to each other. For example, [tex]CaCl_{2}[/tex] is a compound.
An element is a substance that contains same atoms. For example, element copper will have only atoms of copper.
A mixture in which solute particles completely dissolve in the solvent throughout the solution is known as a homogeneous mixture.
For example, sugar in water is a homogeneous mixture.
Thus, we can conclude that a person uses a spoon to eat a certain food. each spoonful tastes slightly different from the one before it. the food is most likely a heterogeneous mixture.
Protein digestion begins in the stomach, where proteins are broken down into shorter polypeptide chains of amino acids
Earth is divided into large geographic regions or ________________, which are based on differences in climate A) biomes
B) communities
C) ecosystems
D) habitats
The correct answer is 'biomes'. Biomes are large geographic areas on Earth that share the same climate. They are broader in scope than habitats, communities, or ecosystems.
Explanation:The Earth can be divided into large geographic regions known as biomes. These are areas that have the same climate, which simply refers to the average atmospheric conditions experienced in a specific region over an extended period of time. Examples of biomes include deserts, tropical rainforests, and savannahs. The other options in your question, communities, ecosystems, and habitats, all relate to biomes, but they are more specific or broad in their definitions. For example, a habitat is where a specific animal lives, an ecosystem includes all the living and non-living components in a specific area, and a community includes all the populations of different species that live in the same area and interact with each other.
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The thalamus __________. is the region in which complex visual stimuli are distinguished and interpreted
A common food allergy for young children is _____. soy rice oats bananas
Microwave transmissions are affected by environmental conditions such as storms.
a. True
b. False
In what ways are driverless cars safer than human drivers?
Answer:
Driverless cars may be safer than cars with drivers because they do not get tired or distracted, and they do not engage in risky driving practices such as speeding.
Explanation:
which two body systems interact to expel the waste product carbon dioxide
Answer:
excretory system and circulatory system
Explanation:
Options for the question are
urinary system
nervous system
excretory system
circulatory system
Solution
Blood is part of circulatory system and as it move through various organs it exchanges the gases i.e give oxygen to the cell and take carbon dioxide from them. After taking CO2, the blood becomes impure and hence it passes through the kidney before going to the heart. Kidney is part of excretory system which removes carbon dioxide from blood and thus purifies it.
Hence, correct answer is excretory system and circulatory system
why must nations sometimes work together to solve environmental problems
Nations must work together to solve environmental problems because environmental problems are; Global problems
Environmental pollution leads to degradation of the environment, because environmental pollution leaves negative effects on the physical and biological components of the environment.
Some of the Negative global effects of environmental pollution is the greenhouse effects which is caused by the indiscriminate release of ( CFC's ) into the atmosphere. therefore nations must work together to solve environmental problems.
hence we can conclude that Nations must work together to solve environmental problems because environmental problems are Global problems.
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Does hiv have a longer incubation period than influenza
Succession performs a variety of functions within ecosystems. What is the main reason that succession is important in maintaining ecosystems? a. Succession allows the earth to change. b. Succession ultimately leads to climax communities, which are stable and sustainable. c. Succession keeps pollution from harming ecosystems. d. Succession allows simple organisms to play a larger role in ecosystems than normal. Please select the best answer from the choices provided
Correct answer: B). Succession ultimately leads to climax communities, which are stable and sustainable
Ecological succession is the process, which involves the change in the species structure over a time. The ecological community starts with the few animals and plants and it develops into a complex community until it becomes stable as a climax community.
A Climax community is a type of ecological community in which all the species of animals and plants are in a stable state and exist in a balanced state with each other and with the environment. It is a final stage of succession, which is long-lasting and stable until disturbed by the human intervention.
G a a t t c given the dna sequence shown here, what would be the sequence of the complementary mrna strand
The laboratory reports of a client reveal selective hypopituitarism related to growth hormone (gh). what other findings does the nurse anticipate in the client? select all that apply.
Selective hypopituitarism related to growth hormone (GH) can result in dwarfism, hypoglycemia, and growth impairment in the client.
Explanation:Selective hypopituitarism related to growth hormone (GH) can result in several findings in the client. The nurse can anticipate:
Dwarfism: Underproduction of GH in children can cause pituitary dwarfism, resulting in reduced growth and symmetric body formation. This can lead to individuals being under 30 inches in height.Hypoglycemia: GH plays a role in glucose metabolism, and a deficiency in GH can result in low blood sugar levels.Growth impairment: Abnormally low levels of GH in children can cause growth impairment, also known asWrite a paragraph describing how Earth would be different if photosynthetic plants had not evolved.
The evolution of photosynthesis refers to the origin and subsequent evolution of photosynthesis.
What is photosynthesis?Photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy.
Photosynthetic plants photosynthesise carbon dioxide and water to produce oxygen and glucose. Without photosynthetic plants evolving there eukaryotes would have extremely different respiratory systems. Eukaryotes (including plants) currently respire glucose using oxygen on a cellular level. If photosynthetic plants were not present there would be much less oxygen in the air. Eukaryotes therefore would evolve completely different ways of respiring to release energy.
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Which of these events occurs first? select one:
a. cleavage
b. implantation
c. formation of the placenta
d. gastrulation?
Gastrulation occurs first in the sequence of events during embryonic development.
Explanation:Gastrulation occurs first in the sequence of events during embryonic development. Gastrulation is the process in which the cells in the blastula rearrange themselves and form three layers of cells, called the ectoderm, mesoderm, and endoderm. These layers will differentiate into different organ systems. The other events listed, such as cleavage, implantation, and formation of the placenta, occur after gastrulation.
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a. True
b. False in passive transport, molecules can only move with the net movement of molecules down their concentration gradient
Normally, how many chromosomes are required to determine the outward expression of a trait?
a. only one
b. any two
c. a homologous pair
d. two pairs
SOS:
The answer is a homologous pair!
Hope this helps!
Electron carriers called ____________ are produced that will be transferred into energy later in cellular respiration.
Salama is known to be a happy and cheerful girl. however, ever since she met with a ski accident a few months ago, she has been showing major signs of depression. it is likely that the accident has damaged the ____________ of her brain.