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Len [333]
3 years ago
12

Pls give me the answer to the questions below

Biology
1 answer:
jek_recluse [69]3 years ago
8 0

Answer:

The prey are usually smaller than the predator so they don't have as much energy.

Explanation:

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The chromosomal mutation in the zygote can be traced back to which of the following? (4.3, 4.4)Immersive Reader
lawyer [7]

The chromosomal mutation in the zygote can be traced back to "Chromosome 6 in the egg cell".

<u>Option: B</u>

<u>Explanation:</u>

In germ cells i.e. egg or sperm cells, the mutations in chromosome often happen during the meiosis phase. The number of chromosomes in egg cells or sperm cells must be haploid, so that diploid chromosomes form zygote on fertilization. Chromosome mutation in meiosis leads in an additional set of chromosomes or structural defects in the chromosome.

Chromosomal mutations are often caused by chemical agents or by mutagens. The homologous chromosomes are segregated from sister chromatids throughout cell division, any abnormality at this point allows the chromosomes to be unequally divided or not disjuncted, same is observed in the situation seen in egg cell chromosome 6.

3 0
3 years ago
After a dye diffuses uniformly throughout a glass of water, the dye molecules are no longer moving. True or false?
Anton [14]
The answer is false, liquid molecules continue to move even after the concentration is uniform.

Diffusion happens because there’s a concentration gradient between the dye and the water, therefore dye molecules moves to the water area. But note that this is only the net movement of the molecules, which means, even if more molecules are moving towards water, there are still some dye molecules that are moving in the opposite direction.

So, after the concentration is equal, the motion of the dye molecules does not stop, they still move in random directions, but there’s no net movement instead, as there’s no concentration gradient. Remember molecules are always moving in all directions , it just depends on whether there’s a net movement or not. If there’s no net movement, the amount of molecules moving to each and every direction is always equal.
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3 years ago
The components of the second line of defense against microbes may be characterized as
omeli [17]
The components of the second line of defense against microbes may be characterized as responders to invasion. It is a non specific resistance that destroys invaders in a generalized way without targeting specific individual cells; For example, phagocytic cells ingest and destroy all microbes that pass into body tissues. The first line of defense on the other hand,includes intact skin, mucous membranes, sebum, tear, among others.
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What are the functions of the plicae, villi, and microvilli?
zhuklara [117]
Plicae, villi and microvilli increase the surface area for he absorption of nutrients
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The diagram shows a cell in the human body engulfing a bacterial cell.
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It is A nerve cell because x would be A
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