BIOLOGY HIGH SCHOOL

How many times more ATP can be formed by an electron transport chain than can be formed by a citric acid cycle?2

16

32

64

Answers

Answer 1
Answer:

Answer:

B. 16 on E2020

Explanation:
Answer 2
Answer: It should be 32 ATPs, since the electron transport chain produces 34(38) ATPs, and the citric acid cycle produces only 2 ATPs. 34-2=32

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Used fuel assemblies are typically considered _______. a. low-level waste b. uranium mill tailing c. high-level waste d. all of the above

Answers

Answer: c. high-level waste

Explanation:

The used or spent fuel comes from the nuclear reactor that can be no longer efficient to be used again for the purpose of generating electricity, because the efficiency to conduct fission reaction by such fuel is low. But still it may be thermally hot, highly radioactive and harmful. It comes under the category of high level wastes. The high level wastes are those wastes that are produced as a byproduct of the nuclear reactors.

Answer:

High-Level waste

Explanation:

I just took the test !

Fossil fuel dependence is associated with _______.a. environmental consequences
b. economic consequences
c. development hindrances
d. all of the above

Answers

The correct answer for the question that is being presented above is this one: "d. all of the above." Fossil fuel dependence is associated with environmental consequences, economic consequences, and development hindrances. 

Answer: d. all of the above

Fossil fuels such as coal, oil and gas are beneficial sources of energy used by the human society. Fossil fuels are non- renewable resources, which are produced after millions of years of geological and biological activity taking place inside the earth crust. Human society is mainly dependent upon the fossil fuels to maintain it's energy needs.

There are some negative consequences associated with fossil fuels:  

Environmental consequences: Fossil fuels are used for generation of energy in the power plants and by the automobiles. These sources releases partially and completely combusted products which includes the poisonous gases causing air and water pollution.

Economic consequences: Fossil fuel use is related with economic crisis because fossil fuels are non- renewable resources, which cannot be replenished once used. They are expensive and many commercial energy generation processes are dependent on them such as electricity, transportation and others.  

Development hindrances: Large dependence on fossil fuels creating an hindrance on development process. As, there are very few findings which are resulted which could replace the fossil fuels, these finding can be beneficial for the environmental and economic point of view.

Chromosomes are composed of DNA. TRUE or FALSE.

Answers

It is true that a chromosome is made up of both DNA and proteins which are compacted and condensed.
 >> Along with every organism on Earth, each of the things, is composed of Deoxyribonueclic acid or DNA. In this case, you can say that DNA is present in almost all of the living things on Earth.
This is true. Basically, chromosomes are made of long thin strands of the DNA, packed around proetins, called as histone proteins. They store genetic information inside them. Humans have twenty three pairs of chromosomes in every cell, i.e. 46 chromosomes in total.

Which of the following is a nitrogenous base?A) ribose
B) guanine
C) enzyme
D) cysteine

Answers

Answer:

B) Guanine

Explanation:

The nitrogenous bases are guanine, adenine, cytosine, thymine, and uracil (for RNA).

Answer:

D

Explanation:

The vascular tissue that transports water and dissolved nutrients from the roots up through the plant is calledA. phloem.
B. xylem.
C. transport tissue.
D. fibrous tissue.

Answers

It is Xylem of the plants that help transport the water and other nutrients from the roots up through the plant. The phloem basically transport food synthesised by the plant but not the water.

Chemosynthetic get their bacter from what

Answers

The chemicals used for the process
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