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Dennis_Churaev [7]
2 years ago
14

frequencies of alleles in a population occasionally change due to random changes. this process is called

Biology
1 answer:
Leno4ka [110]2 years ago
8 0

Answer: Genetic Drift

Explanation:

It's all based on sampling errors.

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Imagine that a large amount of pesticide was spilled onto the ground, and the plants near the spill died. If the deer in the are
tatiyna

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4 0
2 years ago
which of the following would be the best way to determine whether a cell belonged with Archaea or bacteria?
docker41 [41]
Hey there

the answer is

 a Archean is a single celled microorganism and has no cell nucleus  
and Bacteria <span>constitute a large </span>domain<span> of </span>prokaryotic microorganisms<span>. Typically a few </span>micrometres<span> in length, bacteria have a </span>number of shapes<span>, ranging from </span>spheres<span> to </span>rods<span> and </span><span>spirals</span> 

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6 0
2 years ago
A diagram of chloroplast stroma and thylakoid lumen showing chemical energy, ferredoxin, ferredoxin-N A D p reductase, A D P syn
antoniya [11.8K]

Answer:

If the electron transport system did not work, electrons from PSII would not be transferred to PSI. Ferredoxin would then have no electrons to transfer to NADP+ so NADPH would not be produced. This would also affect the light-independent reaction of photosynthesis because NADPH is needed in this reaction.

Explanation:

Edgenuity's Answer.

4 0
3 years ago
Nitrogen is a very important element in biology. What are some of the reasons that organisnm needs nitrogen?
djverab [1.8K]

Answer:

Nitrogen is a crucially important component for all life. It is an important part of many cells and processes such as amino acids, proteins and even our DNA. It is also needed to make chlorophyll in plants, which is used in photosynthesis to make their food.

7 0
2 years ago
A cultured cell line appears to be having trouble surviving. You find that the cells do not appear to have normal chromosome sep
goldenfox [79]

Answer:

c. Tubulin

Explanation:

Tubulin protein is polymerized to form the cylindrical structures of microtubules. Microtubules form the spindle apparatus during cell division. The spindle microtubules become attached to the kinetochores of chromosomes and mediate the alignment of chromosomes at the equator of cells during metaphase. The shortening of spindle microtubules is responsible for the movement of sister chromatids during anaphase. The same event also moves the homologous chromosomes during anaphase-I.

Any failure in the formation of the spindle apparatus would not allow the proper separation of chromosomes. Therefore, the cell with abnormal chromosome separation might have a faulty or no tubulin.

6 0
3 years ago
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