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disa [49]
3 years ago
12

Red blood cells need iron. They store iron and typically contain more iron than the fluid around them does. Which action would s

how the blood cells doing active transport?
O pushing iron out
O bringing iron in
O swelling
O shrinking​
Biology
1 answer:
Nadusha1986 [10]3 years ago
7 0
B is the correct answer
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what function does the electron transport chain play in the light- dependent cycle of photosynthesis ?
romanna [79]

Answer:

The light-dependent reactions use light energy to make two molecules needed for the next stage of photosynthesis: the energy storage molecule ATP and the reduced electron carrier NADPH. In plants, the light reactions take place in the thylakoid membranes of organelles called chloroplasts.

Explanation:

5 0
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During the process of fertilization, a haploid egg cell fuses with a haploid sperm cell. the nuclei of the cells fuse, and the h
irinina [24]
The diploid cells name is zygote
3 0
4 years ago
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Three populations of crickets look very similar, but the males have courtship songs that sound different. What function would th
saw5 [17]

Answer:

The correct answer will be option-B

Explanation:

A species is a group of similar organisms which interbreed with the individual of the same group of closely related individuals.

Species are reproductively isolated by various mechanisms, one of which is due to the behavior.

When the species are not able to reproduce to different species due to the differences in their behaviour in terms of mating rituals which could be due to different mating rituals or a different way of mating like observed in the grasshoppers is known as behavioral reproductive isolating mechanism.

In grasshoppers, the grasshopper's species cannot interbreed due to the differences in the mating songs as a part of the behavior.

Thus, Option-B is the correct answer.

4 0
3 years ago
A student designs an experiment to test substances X, Y, and Z, to determine which one is a catalyst for the reaction: A + B ® C
guapka [62]
The effect of a catalyst is to increase the speed of the reaction, this is the speed at which reactants, A and B, are consumed, ant the product, C, is produced.


Given that when C is produced the solution bubbles, the bubbles are an indication of progression of the reaction.


The greater the speed of reaction, the earlier the reaction will end and the earlier the bubbles will stop.   


So the student can identify the catalyst because the bubbles will stop first.


Answer: <span>The test tube that stops bubbling first contains the catalyst.</span>
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What would most likely happen to a person who is not getting enough essential amino acids in his or her diet?
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3 years ago
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