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dhn 212 exam with correct answers 2024
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What are main functions of proteins in the body? correct answers -to build new cells and many functional components of cells -as a component of hardened structures such as hair or nails -as enzymes to speed chemical reactions -as lubricants to ease movement -in clotting compounds in blood -to...

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  • August 24, 2024
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  • 2024/2025
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dhn 212 exam 2 chapter 7
What are main functions of proteins in the body? correct answers -to build new cells
and many functional components of cells
-as a component of hardened structures such as hair or nails
-as enzymes to speed chemical reactions
-as lubricants to ease movement
-in clotting compounds in blood
-to build antibodies that fight disease organisms
-as compounds that help maintain fluid and pH balance
-as transporters
-to make certain hormones
-as an energy source(a minor function, under usualy conditions)

What makes an amino acid different than a fatty acid or carbohydrate? correct answers

What are the four components to the chemical structure of an amino acid? correct
answers carbon atom that anchors: R group, amino or nitrogen containing group, and
carboxylic acid group

How many different proteins exist in nature? correct answers one billion

Draw the structure of alanine correct answers Carbon skeleton

R group
CH3
IO
NH2-----C-------------II
Amino group I C-OH
H Acid group

What is the definition of an essential AA? correct answers amino acids the body can't
make or can't make enough of to meet its needs

List the essential AA's (don't need to have spelling 100% correct, but be able to
recognize AA name) correct answers histidine, isoleucine, leucine, lysine, methionine,
phenylalanine, threonine, tryptophan, valine

What is a conditionally essential AA and what is an example of when an AA becomes
conditionally essential? correct answers they become essential under certain
conditions

serious illness

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