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Sveta_85 [38]
3 years ago
14

How does exercise affect heart rate of 9th grade student?

Biology
1 answer:
MrMuchimi3 years ago
3 0
By doing exercise, your heart rate should increase. when u exercise, more oxygen is pumped from the lungs to the brain to keep you alive.
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Sally has been tested positive for an infectious disease and does not have any signs or symptoms. sally is known to be a​ ______
Zarrin [17]
Sally is a carrier. If a person carries the genes, but doesn't have symptoms, they are known as carriers, because they have one infective allele and one normal allele. If you're familiar with genetics, she would be a heterozygote, and the disease was a somatic autosomal disease, with one dominant, passive allele, and one recessive, infective allele.
3 0
3 years ago
Read 2 more answers
Which of the following experimental data would suggest the presence of a transmembrane protein? The primary sequence contains st
Zina [86]

Answer:

All of the other answer choices suggest the presence of a multipass transmembrane protein.

Explanation:

The primary sequence contains stretches of polar and nonpolar amino acids, suggesting an amphipathic design.

This one could be, because of the presence of polar an nonpolar aminoacids. The phospholipids membrane have the same construction.

The protein has windows of the primary sequence with positive hydropathy values separated by windows of the primary sequence with negative hydropathy values.

The same here, having pieces of positive and negative hidropathy can be a sign of transmembrane protein.

The protein isolates with the membrane fraction of the cell rather than the cytoplasmic fraction of the cell.

This is discribing you a transmembrane protein

4 0
4 years ago
A white blood cell engulfing a bacterium is an example of blood functioning in __________.
nikitadnepr [17]

A white blood cell engulfing a bacterium is an example of blood functioning in protection.

<h3>What is a white blood cell?</h3>

White blood cells or better called leukocytes are blood cells produced in the bone marrow that belong to the immune system which are responsible for the <u>protection </u><u>and</u> <u>combat of infections and diseases</u>.

There are different types of white blood cells, among these are: <em>neutrophils, eosinophils, basophils, monocytes and lymphocytes</em>.

Usually the blood count of these leukocytes is used to detect situations such as infections, allergies, inflammation or leukemia.

Therefore, we can confirm that a white blood cell engulfing a bacterium is an example of blood functioning in protection.

To learn more about white blood cells visit: brainly.com/question/17890844?referrer=searchResults

#SPJ1

3 0
2 years ago
Question: What do all organisms<br> have in common?
bogdanovich [222]

Answer:

All living things have certain traits in common: Cellular organization, the ability to reproduce, growth & development, energy use, homeostasis, response to their environment, and the ability to adapt. Living things will exhibit all of these traits.

5 0
3 years ago
Help please, brainliest will be MARKED !<br><br> : )
Butoxors [25]

Answer:  A.) Thin                    

Explanation:  According to the graph, on day 20 there are more aliens in the thin form than in either of the other two forms. So the form with the highest probability is the thin form.

Hope this helps : )

4 0
3 years ago
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