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Dima020 [189]
2 years ago
5

10 POITNS BRAINLESS MULTIPLE CHOICE

Biology
2 answers:
AfilCa [17]2 years ago
4 0

Answer:

It's a eukaryotic cell.

hope this helped

Margarita [4]2 years ago
3 0

Answer:

Eukaryotic and Animal.

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.In women, aging becomes a significant risk factor for heart disease after the age of:
Gennadij [26K]

Answer: option b - 55

Explanation:

Menopause signifies the time in a woman's life when menstruation ends, usually BETWEEN age 45 - 55.

And because of the crucial role played by Oestrogen in menstruation, its LOSS increases the RISK of HEART DISEASE seen in women AFTER MENOPAUSE .

8 0
3 years ago
Compare the properties of elements and compounds. Give two examples of each, including one example that exists in the human body
padilas [110]


elements are pure substances composed of only one kind of atom. An example that is present in the body is oxygen which is present in the lungs and also in the blood. Compounds are composed of different types of atoms which differ in ratio from one to another. an example is water. The two terms are different in structure and hence the properties.
6 0
3 years ago
An increase in the calcium ion level in the sarcoplasm starts the sliding of the thin filaments. when the level of calcium ions
Andrew [12]
I think it’s false and
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3 years ago
When the heart wall increases in size this is called? H_ _ _ _ _ _ _ _ _ _ _
Dafna11 [192]
Hypertrophy or hypertrophic. Hope that answered your question :)
4 0
3 years ago
Most water-soluble hormones exert their effects through the second messenger cyclic AMP (cAMP). This activity will test your und
Viktor [21]

Answer:

cAMP dependent pathway is important for processing of life.

Explanation:

cAMP pathway is also called as adenynyl cyclase pathway.

This mechanism requires different steps like-

  1. G protein coupled receptor is a integral protein that is activated by different external stimuli which binds with the specific ligand.
  2. Extracellular ligand causes activation of GPCR which in turn is responsible for conformational change  in the receptor and allows it to bind with the intracellular heterotrimeric G protein complex.
  3. The Gα  stimulate G protein complex to exchange GDP for GTP and then the complex is released.
  4. Activated Gα binds with adenylate cyclase and catalyzes ATP to form cyclic AMP.
  5. Activation of cAMP leads to the activation of nucleotide gated ion channel, and PKa(Protein kinase A) which is also called as cAMP dependent enzyme.
  6. Once, PKA is activated,it causes phospholylation of other proteins like AMPA receptor,transcription factors which regulate gene expression, and convert glycogen into glucose.
8 0
3 years ago
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