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Svetllana [295]
3 years ago
11

Caffeine is an inhibitor of phosphodiesterase. Therefore, the cells of a person who has recently consumed coffee would have incr

eased levels of _____.
A) phosphorylated proteins
B) cAMP
C) adenylyl cyclase
D) activated G proteins
Biology
1 answer:
adell [148]3 years ago
7 0

Answer:

B) cAMP

Explanation:

Phosphodiesterase is an enzyme that breaks a phosphodiester bond, for example in molecules such as cAMP and cGMP. So, phosphodiestarases are  are regulators of signal transduction: regulate the duration of signaling pathway.

Caffeine is  central-nervous-system stimulant and the mechanisms of its action usually are: mobilization of intracellular calcium or inhibition of specific phosphodiesterases.

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4 points
Hatshy [7]

Answer:

it is might be wrong....

Explanation:

Third-trimester ultrasounds can examine the placenta and the position of the fetus. Sometimes an ultrasound is part of a test called a biophysical profile (BPP) to see whether the fetus is getting enough oxygen. The BPP examines the baby's breathing, movement, amount of amniotic fluid, tone, and heart rate response.

7 0
3 years ago
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The most protective epithelium is a [?][?] epithelium which is found in the outer layer of the[?] as a barrier to the external e
OLga [1]
Keratinized, <span>stratified columnar, </span>
4 0
3 years ago
Mr. A.H., age 44, had a generalized tonic-clonic seizure unexpectedly at work_ He had no history of seizures, trauma, infection,
NemiM [27]

Answer:

a tumor is a growth of abnormal cells in the brain tissue, in this case they are malignant cancer cells since their growth is very fast, some are primary that start directly in the brain and other metastatic that start in another part of the body, in the case of Mister AH always had primary symptoms.

Tumors in the brain can show various symptoms. These are some of the most common:

Headaches, usually in the morning

Nausea and vomiting

Changes in the ability to speak, hear or see

Balance or walking problems

Problems with thinking or memory

Weakness or longing to sleep

Changes in mood or behavior

Seizures

tumors can destroy brain cells which can cause inflammation and damage to parts of the body depending on where in the brain this is exerted, this also aggravates the symptoms.

Radiation therapy used to treat brain cancers increases the risk of brain tumors up to 20 to 30 years later.

In this case, he was causing this same reaction to Mr. AH, which may also have another type of tumor such as

Meningiomas and schwanomas are two other types of brain tumor. These tumors:

They occur in most cases between the ages of 40 and 70.

They are not usually cancerous, but they can still cause serious complications and death due to their size or location. Some are cancerous and aggressive.

7 0
3 years ago
Which two body systems interact with each other in order to break down and transport the nutrients found in food?
patriot [66]
Digestive and circulatory
5 0
3 years ago
The cell membrane is made up of _____.
castortr0y [4]
The cell membrane is made up of "<span>a double layer of phospholipids"

In short, Your Answer would be Option D

Hope this helps!</span>
4 0
3 years ago
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