Answer:
The correct answer is cephalization.
Explanation:
Being a evolutionary feat, cephalization is umbrella term for concentration of sense organs such as eyes and ears, feeding organs such as mouth and nervous system such as ganglia, brain and cerebellum. For flatworms the ganglia concentrated in one end of the body which is "nerve tissue" in your question.
Answer: The correct option is D) Chromosomes help an organism produce usable energy.
Chromosomes are the thread like structures made from the packaging of the nucleic acid DNA. They are localized in the nucleus of most living organisms.
Chromosomes do not help an organism to produce usable energy.
Rather they provide instructions to make proteins in the form of genes ( segment of DNA providing information for protein). Proteins are therefore used in determining traits of an organism. Chromosomes are also used in determining gender of an individual. For instance, the presence of Y chromosome determine the male sex and XX determines the female sex amongst human.
Thus, option D) is not the right function of chromosomes.
While cellularrespiration emits carbon dioxide into the environment, photosynthesis absorbs carbon dioxide.
Cellularrespiration is a sequence of chemical processes that decompose glucose to generateEnergy, which is then utilized as fuel to power a variety of reactions all through the body.
Cellular respiration consists of three major steps: glycolysis, the citric acid cycle, and oxidativephosphorylation.
The goal of cellular respiration is straightforward: it provides cells with the energy they require to function.
The greater the rate of photosynthesis relative to respiration, the faster ecosystems 'take in' atmospheric carbon.
As CO2 levels in the atmosphere rise due to humanactivity, causing global warming, the balance between photosynthesis and respiration in individual plants can shift.
Thus, this way, photosynthesis and cellularrespiration affect Earth's atmosphere.
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Answer: it is line A the other person is wrong.
Explanation:
The process of respiration produces energy for organisms by combining glucose with oxygen from the air. During cellular respiration, glucose and oxygen are changed into energy and carbon dioxide. Therefore, carbon dioxide is released into the atmosphere during the process of cellular respiration.
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B. nucleic acids.
C. starches.
D. protein.
Answer: A. lipids.
Explanation:
Cutin: This is a long-chain fatty acid polymer, that enters the spaces between the cellulose microfibrils of the epidermal cell wall, making her cutinized. It is later deposited externally and together with the wax forms the cuticle. The cuticle helps to restrict sweating; being bright helps to reflect the excess of solar radiation and being a substance that is not digested by living beings, it also acts as a layer, protecting against the action of fungi and bacteria. Cuticle formation begins in the early stage of organ growth.
B)determining medical problems
C)fueling nuclear reactions
D)treating brain tumors
Radioactive tracers are useful in determining medical problems.
Answer: B. Determining medical problems.
Explanation:
Radioactive tracers are comprised of carrier particles that are reinforced firmly to a radioactive atom. These bearer particles shift incredibly relying upon the motivation behind the scan.
A few tracers utilize atoms that associate with a particular protein or sugar in the body and can even utilize the patient's very own cells.
Examples of radioactive tracer are - tritium, carbon-11, carbon-14 and oxygen-15 and so forth. Radioactive tracers are either injected in the body intravenously or orally.
It can be anything that can be used purposefully as a weapon in bioterrorism or biological warfare (BW).
One example is - A culture of Bacillus anthracis, the anthrax bacillus.