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vovangra [49]
3 years ago
6

Can u help me please

Biology
1 answer:
lutik1710 [3]3 years ago
4 0

Human forelimbs is used for a variety of functions, such as for eating.

Similarities: They are all made from the same basic anatomical structure classified as homologous structures.

They all have this structure inherited from a common ancestor.

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Which of the following is an example of active transport in a cell?
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Answer:

the answer is D :)

Explanation:

Active transport uses energy molecules to move particles like sodium, against their concentration gradients, from areas of low concentration to areas of high concentration.

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Located in cytoplasm
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in eukaryotic cells, the cytoplasm includes all of the material inside the cell and outside of the nucleus. All of the organelles in eukaryotic cells, such as the nucleus, endoplasmic reticulum, and mitochondria, are located in the cytoplasm.

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The relative location of four genes on a chromosome can be mapped from the following data on crossover frequencies Genes B and D
kykrilka [37]

Answer:

3. CABD

Explanation:

The gene mapping refers to providing position to the genes on the chromosomes.  The first gene map was constructed by the Alfred Sturtevant on the basis of recombinant produces or recombination frequency which was calculated.

The gene mapping refers to providing position to the genes on the chromosomes.

In the given question to construct gene map:

1. Look for the highest recombination frequency that is 50% between the C and D.

2. Now look for second-highest value and place the gene accordingly.

3.Similarly, place the genes in the decreasing order of recombination frequency and this will result that the sequence of the genes is- CABD.

Thus, Option-3 is correct.

5 0
3 years ago
What atoms are organic molecules in cells made of ?
Vitek1552 [10]

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