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sammy [17]
4 years ago
6

1. Why do we have so many satellites "looking into the universe?

Biology
1 answer:
schepotkina [342]4 years ago
4 0
To view space and the foreign objects scientist may find. Also for learning purposes because it financially cost a lot to send scientists to space for research. So for research purposes.
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Histologically, what feature is shared by all tonsils but is absent in other malt nodules?
ira [324]

Crypts Feature is shared by all tonsils but is absent in other malt nodules. Anatomical structures called crypts are deep, narrow incisions into larger structures. The Crypts of Lieberkühn are a typical type of anatomical crypt.

It is not the only form of the tonsil, though; some tonsils also feature crypts. The deep regions of these tonsils are accessible to the outside world through these crypts, making them more susceptible to infection. An intestinal gland, also known as a Lieberkühn crypt or intestinal crypt, is a gland that can be found in the small and large intestines' intestinal epithelium between villi (or colon).

The epithelium that covers the glans and intestinal villi are made up of a variety of cells, including enterocytes (which absorb water and electrolytes), goblet cells (which secrete mucus), enteroendocrine cells (which secrete hormones), cup cells, tuft cells, and Paneth cells (which secrete antimicrobial peptides) and stem cells at the base of the gland.

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4 0
2 years ago
What is a test cross a cross of two unknown forms to determine their genotypes?
kari74 [83]
A testcross can be used to determine the organism's genotype. In a testcross, the individual with the unknown genotype is crossed with a homozygous recessive individual 
7 0
3 years ago
ASAP!!! Select all that apply.
Naddik [55]

Answer:the correct answer is eating or breathing

Explanation: because most animals eat to get the substances they need and breathing is also a big one if they don't breath they will die like the every being on this planet needs oxygen to live if we do not have those we will drop over dead.

4 0
3 years ago
Please Help I Don't Understand!
Leni [432]

Answer:

This is most likely to be granite.

8 0
2 years ago
CB1 agonists such as Tetrahydrocannabinol (THC) reduce calcium influx by blocking the activity of voltage-dependent calcium chan
Arada [10]

Answer:

Exocytosis of vesicles containing glutamate from the nerve terminal would decrease

Explanation:

Glutamate release is regulated by voltage dependent calcium channels. An increase in intracellular Calcium ion concentration is sufficient and necessary to cause glutamate release from astrocytes. Several experiments are done on this study, when these cells are provided with high amount of calcium ions, the glutamate release from nerve terminals increased.

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3 years ago
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