Biology College

7. What is the chemical energy in the cell called?

Answers

Answer 1

Answer:

It is Adenosine Triphosphate (ATP)

Explanation:

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Related Questions

Recombination (crossing over) during prophase I of meiosis occurs when:

Answers

Answer:

meiosis before tetrads are aligned along the equator in metaphase I.

Explanation:

When chromatids "cross over," homologous chromosomes trade pieces of genetic material, resulting in novel combinations of alleles, though the same genes are still present. Crossing over occurs during prophase I of meiosis before tetrads are aligned along the equator in metaphase I

The use of marijuana while drinking alcohol
lowers the BAC of the driver causing some impairment of driving ability
does not affect driving ability
may affect driving ability if both substances are taken in abundance
impairs driving beyond that usually related to the BAC of alcohol

Answers

May affect the drivers ability if both are taken

Over time, if drought conditions occur, what could happen to the number of birds with the spoon beaks in the population?

(a) increase

(b) decrease

(c) remain the same

Answers

Answer is B, Decrease.

8. Identify THREE structures found in plant cells but not in animal cells

Answers

Answer: cell wall, chloroplasts, plastids, and a central vacuole

Explanation:

Answer:

Vacuole

cell wall

chloroplast : photosynthesis

Can someone help me, my paper is due tonight.

Describe solution concentration outside the cell in terms of hypotonic, hypertonic and isotonic.

Answers

Answer:

see below

Explanation:

Hypotonic solution is a very dilute solution to the more concentrated solution. Hypo means under . A solution with a lower concentration of solutes than the cytoplasm of a cell, that solution is hypotonic to the cytoplasm. The cell expands as water moves in.

Hypertonic solution is a more concentrated solution to cytoplasm. Hyper means above. A hypertonic solution has higher concentration of solutes than the cytoplasm of the cell. The cell shrinks as its cytoplasm loses water.

Isotonic solution is when two solutions of equal concentration are separated by a semi permeable. Iso means equal. Therefore, in isotonic solutions, water movement out of a cell balances the water movement into it. Cells in the body are usually surrounded by a fluid. The cytoplasm in the cell is usually isotonic to the fluid outside the cell. Hence, no net gain or loss of water by cells.

So, basically, if a cell is placed in a hypertonic solution, water will leave the cell, and the cell will shrink. In an isotonic environment, there is no net water movement, so there is no change in the size of the cell. When a cell is placed in a hypotonic environment, water will enter the cell, and the cell will swell.

What is the true nature of science?

Answers

Answer:

Scientific Knowledge Is Based on Empirical Evidence; Scientific Knowledge Is Open to Revision in Light of New Evidence; Science Models, Laws, Mechanisms, and Theories Explain Natural Phenomena. Science Is a Human Endeavor; and. Science Addresses Questions About the Natural and Material World.

The true nature of science is to build knowledge about the natural world. With that information we come up with new ideas and discover new evidence every day

If a DNA molecule with a total of 2500 nucleotides has 1500 purines, how many guanines are in this DNA molecule?

Answers

Answer:

I'm pretty sure there would be 1000 guanines in the DNA molecule.

Explanation:

Hope this helps. . . <3

If a DNA molecule with a total of 2500 nucleotides has 1500 purines, total number of guanines are in this DNA molecule is 1000 guanines in the DNA molecule.

What will be the total number of thymines if a DNA molecule has a total of 1500nucleotides?

The DNA molecules would be given and it have 450 thymines if the DNA molecule has the total of 1500 nucleotides and the DNA molecule also have been known as the deoxyribonucleic acid has been made up of the double helix. The DNA molecule with the total of 1500 nucleotides would contain 750 cytosine and Thymines and 750 guanines and adenine.

Hence, we can have the expression:

C + T = 750

If there are 300 cytosines, hence;

300 + T = 750

T = 750 - 300

T = 450

A nucleotide has the monomer constituting DNA or RNA biopolymer molecules and the double-stranded DNA molecule posseses two strands of DNA made up of the nucleotides.

Therefore, If a DNA molecule with a total of 2500 nucleotides has 1500 purines, total number of guanines are in this DNA molecule is 1000 guanines in the DNA molecule.

Learn more about DNA molecule on:

https://brainly.com/question/12499113

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Where does hunger originate? A., B., C., or D.

Answers

Answer:

The answer is (C) In the hypothalamus

Explanation:

Within the hypothalamus are nerve cells that, when activated, produce the sensation of hunger.

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