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UNE Biochem 1005 Exam 1| 110 Questions| With Complete Solutions

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Cysteine is a nonessential amino acid as it can be synthesized from: correct answer: Methionine All transaminiation reactions require: correct answer: Pyridoxal Phosphate Synthesis of Tyrosine requires: correct answer: Tetrahydrobiopterin (BH4) PKU results from a heritable defect in: co...

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  • July 27, 2023
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UNE Biochem 1005 Exam 1| 110 Questions|
With Complete Solutions

Cysteine is a nonessential amino acid as it can be synthesized
from: correct answer: Methionine

All transaminiation reactions require: correct answer: Pyridoxal
Phosphate

Synthesis of Tyrosine requires: correct answer:
Tetrahydrobiopterin (BH4)

PKU results from a heritable defect in: correct answer:
Phenylalanine hydroxylase

Phenylkentonuria can also present as a result of a deficiency in:
correct answer: Tetrahydrobiopterin (BH4)

Metabolism of Glycine requires: correct answer:
Tetrhydrofolate

Amino acids are said to be ketogenic if they are metabolized to:
correct answer: Acetyl CoA

The enzyme responsible for freeing ammonia from glutamine to
generate glutamate is: correct answer: Glutaminase

Metabolism of branched chain amino acids such as valine is
particularly high in: correct answer: Skeletal Muscle

, A deficiency in cobalamin would negatively impact which
pathways: correct answer: Transsulfuration of homocysteine &
Remethylation of homocysteine

Which amino acid is exclusively ketogenic? correct answer:
Leusine

In the case of an individual who is autosomal recessive for a
deficiency in cystathione - beta- synthase. Which amino acid
becomes essential? correct answer: Cysteine

Transamination is the first step in amino acid metabolism and it
involves: correct answer: The transfer of an amine group from
an amino acid to a keto acid.

Deficiency in Tyrosine can impact the generation of both
melanin and... correct answer: Dopamine

Hemoglobin bound to heme is termed: correct answer:
Holoprotein

Hemoglobin binds oxygen with a greater affinity in the: correct
answer: R State

Alpha helices and beta sheets are primarily stabilized by: correct
answer: Hydrogen bonding

Aspartate is classified as a(n): correct answer: Charged amino
acid

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