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inessss [21]
3 years ago
13

What trait distinguishes between the kingdoms of bacteria and archaea?

Biology
2 answers:
makvit [3.9K]3 years ago
8 0

Answer:

Their Cell walls

Explanation:

  • Bacteria has a cell made up of peptidoglycan
  • Archaebacteria has a cell wall made of various compounds)
  • Their rRNA is different, so different taht tehy are placed on different part of the evolutionary tree.
natita [175]3 years ago
7 0

Answer:

d

Explanation:

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Answer:

Explanation:

Since Mark's wife was a carrier, it means that she is heterozygous for the trait. And after Mark got tested, they decided to have children due to no increased risk if they do have children, it means the condition is not an autosomal dominant condition but a recessive condition because if the condition is dominant, only one copy of the affected allele is needed to increase risk.

Thus, with a no increased risk, it means Mark is normal i.e. carries no copy of the recessive allele.

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The first invertebrates to show both segmentation and a complete digestive system belong to the
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Which gases contribute to the green house effect
vodomira [7]
Carbon dioxide and methane.
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What structure allows the hypothalamus to have direct communication with the anterior pituitary?
ANEK [815]

Hypophyseal portal system allows the hypothalamus to have direct communication with the anterior pituitary.

The hypophyseal portal system is a network of blood vessels that connects the anterior portion of the gland and hypothalamus at the base of the brain. Two capillary beds, one in the median eminence and the other in the anterior pituitary, make up the portal system. Its principal job is to swiftly transfer and exchange hormones between the anterior pituitary gland and the hypothalamic arcuate nucleus.

The cortisol, androgens, and aldosterone hormones interact with anterior pituitary gland cells via travelling through the hypophyseal portal system. Hormonal signaling through the hypophyseal portal system enables connection between these two structures.

To learn more about hypothalamus and pituitary here,

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