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RSB [31]
3 years ago
13

I need helpppp ASAPPP

Biology
1 answer:
Margaret [11]3 years ago
6 0

I think the answer is "It's tightly packed cells allow for protection against harmful substances."

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Awesome work guys keep it up please
Effectus [21]
I'd say B, anyone disagree??
5 0
3 years ago
HELP PLEASE! I'M STUCK!<br> During time of vast glaciations, how is the water cycle affected?
Zolol [24]
Well think about it during that time it is freezing cold the water cycle comes up from a sea and makes clouds that will be no effect to it but what happens when you put water in a freezer its cold so the result is its gonna hail
5 0
3 years ago
5. What molecule is essential to regenerate at the end of the Krebs cycle to start the process again?
vitfil [10]

Answer: Oxaloacetate

Explanation: The krebs cycle starts with the pyruvic acid that is obtained after glycolysis. The Kreb's cycle begins when the Acetyl coA combines with a four molecule oxaloacetate.

The main product formed is citric acid thats why the cycle is also called as citric acid cycle. After the citric acid is formed it goes through a series of reactions to form NADH, FADH2 and ATP.

The carbon dioxide is also released during this process. The oxaloacetate formed is used to start the cycle so its is regenerated again and again.

7 0
3 years ago
Read 2 more answers
What level of protein should a basketball player in the off-season trying to gain muscle mass consume
nata0808 [166]

Answer: 2.5-3.o grams per body weight

Explanation:

5 0
2 years ago
The paranasal sinuses are lined with a membrane that creates mucus during allergies or the common cold. Presence of mucus and sw
storchak [24]

Answer:

The maxillary sinus, that is, the sinus located in the upper jaw, would be affected.

Explanation:

Sinusitis is a very traditional disease that is associated with headache, discomfort, and increased mucus making.

The causes can be viral or bacterial or even by some inhaled noxa, sinusitis of this type is bilateral, different from sinusitis of dental cause that are usually unilateral.

The paranasal sinuses are the sinuses that pneumatize the head, that is, they generate an internal air current in the bones to be able to heat and disinfect them from those noxas that are inhaled (that is why they are covered by a ciliated mucosa that drags the noxa to the outside and also its structure is pseostratified with mucous cells that secrete mucus enveloping the noxa).

Another function of the paranasal sinuses is to be able to alleviate the weight of the head, since the shell and the bones that remain in the head formation are very heavy, thus generating these cavities filled with air to alleviate the feeling of "heavy head" "When they become inflamed and filled with mucus, they are obliterated or with a reduced space, so the head feels heavier for some people.

The paranasal sinuses are the maxillary sinuses that are in the upper jaw, the sphenoid sinuses that are in the sphenoid, the ethmoid sinuses that are in the ethmoid and the frontal ones that are in the frontal bone that is vulgarly called as the forehead.

5 0
3 years ago
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