BIOLOGY MIDDLE SCHOOL

A pack of wolves kill and eat a deer. What kind of interaction takes place between the wolves and the deer?

Answers

Answer 1

Answer:

This is predation. A predator-prey relationship. The predator catches the prey, kills and eats it for food.

Answer 2

Answer:

Answer:

predator/pray

Explanation:

i did it on study island

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What is the difference between Chromatin. Chromatids. and Chromosomes?

Answers

Chromatin: is a complex made up of genetic material (DNA), wrapped in protein , such as histones,present in the cells of eukaryotes.

Chromatids :before the cell divides, the chromosomes are copied, and each chromosome consists of two segments in the form of bat, the chromatids. Each cromátide corresponds to a copy of one of the 46 strands of DNA in every one of my cells (sperm and eggs).

Chromosomes: are present in cells that are in the process of Division. In place of chromatin, we can observe in the nucleus, small bat-shapedbodies quite stained, easily visible when observed under a microscope.

hope this helps!

5. What molecule is essential to regenerate at the end of the Krebs cycle to start the process again?A. Water
B. Pyruvate
C. Oxaloacetate
D. Ammonia

Answers

Answer: Oxaloacetate

Explanation: The krebs cycle starts with the pyruvic acid that is obtained after glycolysis. The Kreb's cycle begins when the Acetyl coA combines with a four molecule oxaloacetate.

The main product formed is citric acid thats why the cycle is also called as citric acid cycle. After the citric acid is formed it goes through a series of reactions to form NADH, FADH2 and ATP.

The carbon dioxide is also released during this process. The oxaloacetate formed is used to start the cycle so its is regenerated again and again.

Oxaloacetate is the molecule that is essential to regenerate at the end of the Kreb's cycle to start the process again.

Further Explanation;

Cellular respiration;

Cellular respiration is the process by which living organisms use nutrients or food substances to generate energy in the form of ATP that is required to drive cellular processes.
Cellular respiration takes place in three stages; glycolysis, Kreb's cycle and electron transport.

Glycolysis

It is the first stage of aerobic respiration where an organic molecule such as glucose is broken down to form 2 molecules of Acetyl-CoA and net production of 2 ATP molecules.
Each glucose molecule yields two molecules of ATP and two molecules of Acetyl-CoA.
During the process of glycolysis 2 molecules of energy carrier, NADH which are then taken to energy transport chain to produce more ATP.

Kreb's cycle

It is the second phase of aerobic respiration that involves a series of reactions catalyzed by various enzymes.
Acetyl-CoA from glycolysis undergoes a series of reaction to produce six molecules of NADH, two molecules of FADH2, together with carbon dioxide and two molecules of ATP.
During Kreb's cycle Acetyl-CoA is converted to Citrate to Isocitrate to alpha-ketoglutarate to Succinyl-CoA to Succinate to Fumarate to malate and lastly to Oxaloacetate.
Oxaloacetate is the final molecule formed during the TCA cycle and is essential to enhance the start of Kreb's cycle once more.

Electron transport chain

It is the final stage of Aerobic respiration, where the six molecules of NADH and two molecules of FADH2 from Kreb's cycle and 2 NADH molecules from glycolysis are used to generate more energy in the form of ATP.
This stage generates 34 molecules of ATP.
Keywords: Cellular respiration, energy carriers, energy in the form of ATP, use of energy carriers from glycolysis and citric acid cycle to generate more ATP.

Learn more about:

Cellular respiration: brainly.com/question/9413077
Stages of cellular respiration: brainly.com/question/9413077
Kreb's cycle: brainly.com/question/9413077
Electron transport chain: brainly.com/question/9413077

Level: High school

Subject: Biology

Topic: Cellular respiration

Sub-topic: Kreb's cycle

If a plant grows 1/2 inch in 3/7 of a week, at rate is the plant growing? show your work

Answers

Assuming you want the rate per one week.

1/2 ÷ 3/7 = x / 1

(1/2)(7/3) = x

7/6 = x

1 1/6 = x

The plant grows one and one-sixth inches in a week.

contrast alleles are described as being dominant or recessive what is the difference between a dominant and recessive allele

Answers

dominant alleles can take over the recessive alleles if they were there
and the other allele cant do the same as long as the dominant alleles don't
come

Answer:

dominant alleles can take over the recessive alleles if they were there

and the other allele cant do the same as long as the dominant alleles don't

come

Explanation:

Which of the following has a negative electrical charge?o cation only
o anion only
O Both cations and anions have negative charge.