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vfiekz [6]
3 years ago
7

Can someone please help? I need help now.

Biology
1 answer:
Dima020 [189]3 years ago
5 0
1. Whether or not height affects running speed.
2. She and her friend Melissa exercised equal amounts, but Melissa still ran faster, so Sally wanted to know why.
3. speed
4. quantitative
5. males vs female data, so gender, and how much each test subject exercises, so their athleticism
6. Gender, distance ran
7. no
8. 1 trial as a class, but independent data for each student, so I would say there were as many trials as students in the class
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Some genes are important enough to be called "molecular switch" or "master" genes. What is the purpose of these genes?
trapecia [35]

Answer:

Genes called "molecular switch" or master genes have the purpose of control when other genes are expressed (option A).

Explanation:

Master gene is so named because it has the function of controlling the behavior of other genes, organizing their functions and regulating when they can be expressed.

The name of molecular switch is synonymous with the master gene, since its activation determines the genetic regulation necessary to establish cell differentiation and even the determination of the sex of some species.

The other options are not correct because:

<em>     B. Master genes do not </em><u><em>determine the organization of the genome</em></u><em> .</em>

<em>     C. </em><u><em>Regulation of cell metabolism</em></u><em> depends of substances as hormones and enzymes. </em>

<em>     D. </em><u><em>The rate of translation</em></u><em> does not depend on the activity of master genes.</em>

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3 years ago
Hair is ___________ at the hair follicle and _______ after it leaves while providing more length
qwelly [4]

Answer:

The answer is A

Explanation:

7 0
3 years ago
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Which of the following describes aggregations
Anarel [89]

the following what anyways it means the formation of a number of things into a cluster. i hope it helped

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3 years ago
List three safety precautions you can take before entering the laboratory
mote1985 [20]

The laboratory is full of chemicals and other hazardous substances. So, it is very important to keep all the safety precautions before entering in the laboratory to avoid any mis-happening.

Here are some precautions, which one should take before entering lab:

  1. Before entering the laboratory one must wear all the safety equipment including gloves, goggles, apron, and others.
  2. Make sure you are not wearing any inflammable thing and you are fully covered, as in some laboratory, harmful radiation are also present.
  3. Make sure your hair are tied in properly and the shoes are covered.

7 0
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Most organisms contain the same codons. true or false
iragen [17]
True t<span>he only exception to organisms with different genetic codes are identical twins.  Otherwise all organisms have differences in their genetic sequences that make them to at least a small degree unique</span>
4 0
4 years ago
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