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masha68 [24]
3 years ago
12

Which of the following accurately describes an example of how materials can move across the cell membrane through active transpo

rt?
Biology
1 answer:
andrey2020 [161]3 years ago
5 0
Things going from low concentration to high concentration with ATP. An example would be the sodium potassium pump 
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Iodine is a yellowish solution. A starch solution is white. A starch solution turns purplish-black in the presence of iodine. If
cupoosta [38]

Answer:

The correct answer will be- the color change will be observed and the solution will turn purplish-black.

Explanation:

Iodine test is performed to test the presence of the carbohydrates mainly starch.

The iodine solution is chemically called potassium iodide which forms a yellow solution. The potassium iodide solution forms a complex with a starch solution which appears a purplish-black color which shows the presence of the carbohydrates.

In the given question, if we add the iodine solution to the beaker after a certain point of time then it will still form a complex with the starch and thus beaker solution will appear darker in color.

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2 years ago
Given the cascade of events leading to ischemia-produced brain damage, it has been suggested that __________ antagonists adminis
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Answer: glutamate

Explanation: Given the cascade of events leading to ischemia-produced brain damage, it has been suggested that glutamate antagonists administered immediately after a stroke might reduce the subsequent development of brain damage.

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1 year ago
Struggling to understand? If anyone’s willing to help that’s amazing. :)
tester [92]

Answer:

Mitochondria has same circular DNA genome like a prokaryote

They both have membranes

Chloroplasts and mitochondrionshave no nuclues like the prokaryotic cell  

Explanation:

8 0
3 years ago
HELPP MEEBell Work: Why is the nucleus sometimes called the control center of the cell?
Aleonysh [2.5K]

Answer:

1, FAlse

2.True

3. true

4.true

5.True

6. FAlse

7.true

8.true

9.true

10.True

1. Yes

2.Animal cells are the basic unit of life in organisms of the kingdom Animalia.

3.Magnification is the ability to make small objects seem larger, such as making a microscopic organism visible. Resolution is the ability to distinguish two objects from each other.

4.organelles

5. Becuase they have diffierent genetics which serve for different purposes

EXIT TICKET=.chromosomes

Explanation:

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2 years ago
Which of the following cellular processes produces gametes
Masteriza [31]

Choices are: -Apoptosis,-Mitosis,-Glycogenesis,-Meiosis

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Meiosis is the one which produces gametes.  (In this process, diploid cells are chopped and turned into four haploid cells (ova or sperm cells). In humans, the male gamete is termed as sperm, while the female gamete, an egg. Meiosis is critical in both sperm and egg production. 

6 0
3 years ago
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