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egoroff_w [7]
2 years ago
12

An eclipse occurs whenever

Biology
2 answers:
ikadub [295]2 years ago
6 0
When the moon gets between the earth
alex41 [277]2 years ago
5 0

A solar eclipse occurs whenever the moon covers the sun which creates a huge shadow on earth, but sadly it only occurs for a few minuets :) :(

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How do phytoplankton contribute to the cycling of oxygen?
solong [7]

Answer:

The ocean produces oxygen through the plants (phytoplankton, kelp, and algal plankton) that live in it. These plants produce oxygen as a byproduct of photosynthesis, a process which converts carbon dioxide and sunlight into sugars the organism can use for energy.

Hope it helps you, tell me if im wrong pls, BE SAFE! :D

5 0
3 years ago
Glucose labeled with 14C in C-3 and C-4 is completely converted to acetyl-CoA via glycolysis and the pyruvate dehydrogenase comp
Morgarella [4.7K]

Answer:

The correct answer is option d.

Explanation:

The production of Acetyl-CoA takes place by the dissociation of both carbohydrates and lipids in the process of glycolysis and beta-oxidation. It then moves into the TCA cycle in the mitochondria and combines with oxaloacetate to give rise to citrate.  

In the given case, no labeling will be found in the acetyl-CoA. The labeled C3 and C4 carbon of glucose signify the carboxyl carbon of pyruvate. In the succeeding reactions of the transformation of pyruvate to acetyl-CoA, the carboxyl carbon gets lost in the form of carbon dioxide. Thus, acetyl-CoA does not comprise any labeled C3 and C4 of glucose.  

5 0
3 years ago
Term referring to the process in which certain compounds increase in concentration within biotic tissues as they move up through
melisa1 [442]

Answer:

a. Biomagnification

Explanation:

Biomagnification is the name given to the progressive accumulation of substances from one trophic level to another along a food chain. Thus, the substance will have its highest concentration in individuals who occupy trophic levels furthest from producers.

For biomagnification to occur, substances must be fat soluble (lipid soluble) and thus adhere to living tissues. Another feature of substances that undergo biomagnification is that they are generally not biodegradable or metabolized by the body.

The phenomenon is quite common with heavy metals (lead; mercury) and certain chlorinated and aromatic organic compounds with higher molecular mass, such as the insecticide DDT.

3 0
3 years ago
A farmer uses genetic engineering to inject dairy cows with a genetically altered hormone (GAH) to result in the production of m
a_sh-v [17]

Answer:.Use of the GAH may increase the amount of hormones in the milk.

Explanation:The increased amount of hormones could cause unintended transmission of the genetically altered hormone or related hormones to be present in the milk.

6 0
3 years ago
Read 2 more answers
Kepler discovered that
Setler79 [48]

Answer:

all of the above

Explanation:

gravity makes a planet have a combination go straight yet go around the sun at the same time creating an ellipse

sciencefocus

5 0
3 years ago
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