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Alex
3 years ago
12

7. Seals, sea lions, and the walrus are classified as belonging to the order.

Biology
1 answer:
liq [111]3 years ago
3 0
Hold on let me go do my research I’ll brb .
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Individuals without AFS have a glutamic acid at position 487 on the ALDH2 protein, whereas individuals with AFS have a lysine at
azamat

Answer:

Aldehyde Dehydrogenase 2 (ALDH2) is an enzyme required to eliminate toxins such as acetaldehyde and alcohol, thereby mutations in this protein may be associated with the Alcohol flush syndrome (AFS)

Explanation:

ALDH2 is a protein required for ATP generation by catalyzing the oxidation of aldehydes to carboxylic acids (i.e., oxidation of NADH to NAD+). Mutations in the ALDH2 gene have been associated with the inactive form of this enzyme, and this specific mutation at position 487 alters its enzymatic activity associated with the metabolism of acetaldehyde and alcohol. This amino acid substitution may lead to the active site-directed inactivation of the enzyme.

8 0
3 years ago
Before mitosis begins, a cell makes a copy if all the DNA in each chromosome. What would go wrong if a cell did not make a secon
skelet666 [1.2K]

Answer:

look it up

Explanation:

if y'all paid attention in class y'all would know like honestly y'all are lazy do some research

7 0
3 years ago
T or F: Addiction is a condition of compulsive drug seeking and use, even with negative
valkas [14]

Addiction is a condition of compulsive drug seeking and use, even with negative consequences is a <u>true</u> statement.

Explanation:

Addiction to drugs is a chronic and a relapsing condition or disorder which results in compulsory drug seeking behavior and its continuous use despite knowing about or having negative consequences it can cause to the brain and the body systems.

This is both a medical and a mental illness due to repeatedly misusing drugs or other substances and a severe form of a spectrum of substance abuse disorders.

Addiction is classified under substance use disorder and is categorized as mild, moderate or severe according to the symptoms. The symptoms or the negative consequences of addiction are generally grouped as impaired control, risky use, social impairment, pharmacological criteria for drug tolerance or withdrawal.

8 0
3 years ago
Prior to its export from the nucleus, what modifications must be made to a mRNA molecule in eukaryotic cells?
romanna [79]
The mRNA needs to copy the gene sequence of the dna before it leaves the nucleus to the tRNA and rRNA
6 0
3 years ago
The type of selection where traits in the middle range are favored is
sweet [91]

Answer:

OK I can do it and tell u afterwords

8 0
3 years ago
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