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svp [43]
3 years ago
13

A skin rash that neither itches nor burns is a symptom of which stage of syphilis?

Biology
1 answer:
iogann1982 [59]3 years ago
7 0
This occurs in the first stage of secondary syphilis
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What aspect of chromosome behavior most clearly accounts for Mendel's law of segregation?
svetlana [45]

The given question is incomplete as the group of choices lack the correct answer, however, the correct group of choices are as follows:

A. Movement of sister chromatids to opposite poles at anaphase II of meiosis.

B. Movement of homologous chromosomes to opposite poles at anaphase I of meiosis.

C. Crossing over between homologous chromosomes during prophase I of meiosis.

D.  Replication of chromosomes prior to meiosis.

E. Independent alignment of different homologous pairs on the metaphase I spindle.

Answer:

The correct answer is :  Movement of homologous chromosomes to opposite poles at anaphase I of meiosis.

Explanation:

The Mendel's law of segregation says that during formation of gametes the copies of genes segregate from each other so each gamete has equal and only one allele of the gene.

This behavior of homologous chromosome can be seen in anaphase I in meiosis, responsible for the segregation of copies of allele into different copies.

Thus, the correct answer is :  Movement of homologous chromosomes to opposite poles at anaphase I of meiosis.

7 0
3 years ago
Before viruses can reproduce, they must 
Jet001 [13]

Hello There!

Before viruses can reproduce, they must infect a host cell.

Viruses need a way to enter the body before they can infect a host cell.

7 0
3 years ago
Read 2 more answers
What are physical properties of water
Verizon [17]
<span>temperature, colour, turbidity, odor and taste, and solid content.</span>
6 0
3 years ago
Review the hypothesis.
ExtremeBDS [4]

Answer: 4.How does the volume of water consumed affect the number of facial blemishes that individuals receive every month?

Explanation:

A hypothesis is a presumed explanation that is based upon few facts. The statement of the hypothesis can be verified by scientific procedures.

According to the given hypothesis, the relation of consumption of water with the number of facial blemishes is to be determined. Therefore, option 4 is the correct option.

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The process in which organisms use chemical energy to make food is called _​
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Answer:

Chemosynthesis

Explanation:

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