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BigorU [14]
3 years ago
8

Evesa

Biology
1 answer:
Artist 52 [7]3 years ago
8 0

Answer:

Active uptake (which I think you mean active transport) is important when the concentration gradient is against that of a certain substance, so it doesn't cross the membrane through diffusion or passive transport. It is sometimes necessary if a substance needs to move across a membrane but can't do so due to electrical charge or that there is a substance on the other side of the membrane preventing diffusion.

Explanation:

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PLEASE HELP(85 points!)
satela [25.4K]

A: the F1 generation

Parental cross:: WWDD x wwdd

Possible Gametes for each parent: WD& wd

B: The F2 generation

F1 cross WwDd x WwDd

Possible Gammetes for each parent: WD, Wd,wD, or wd

8 0
3 years ago
What do all scientific investigations begin with?
seraphim [82]
A: Forming a hypothesis
7 0
2 years ago
Read 2 more answers
Gastrin, histamine, endorphins, serotonin, cholecystokinin, and somatostatin are hormones or paracrines that are released direct
garik1379 [7]

Answer:

The correct answer is option b, that is, enteroendocrine cells.

Explanation:

The specialized cells of the pancreas and the gastrointestinal tract exhibiting endocrine function are termed as enteroendocrine cells. These cells generate gastrointestinal peptides or hormones in response to a distinct kind of stimuli and discharge them into the bloodstream for the systemic effect. These are the most varied endocrine cells found within the body.  

The intestinal enteroendocrine cells produce somatostatin, cholecystokinin, motilin, enteroglucagon, and neurotensin hormones. The G cells present within the intestine produce gastrin. In the gastric glands, the gastric enteroendocrine cells are present, which produce histamine, and others like cholecystokinin, alpha and gamma-endorphin, somatostatin, and others.  

In the islets of Langerhans, the pancreatic enteroendocrine cells are present, which produce hormones like ghrelin, amylin, somatostatin, and pancreatic polypeptide.  

4 0
3 years ago
Help me with thissssss
katen-ka-za [31]

Answer:

cevap sirayla

Explanation:

a prodüct

b substraite

c enzyme

d enzyme s c

e producte

4 0
2 years ago
What causes the seasonal changes in temperature on Earth? A. Because of Earth's elliptical orbit, the Earth is closer to the Sun
gogolik [260]
The answer is C. I️ hope I️ helped :))
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