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BIOS 256 EXAM 2 CHAMBERLAIN (Latest 2024 / 2025) Questions and Answers (Verified Answers)
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BIOS 256 EXAM 2 CHAMBERLAIN (Latest 2024 / 2025) Questions and Answers (Verified Answers)
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BIOS 256 EXAM 2 CHAMBERLAIN (Latest )Questions and Answers (Verified Answers)
Which prefix would be used to indicate a nutrient that is needed in large amounts?
macronutrient
If a nutrient is considered "essential", this means:
it is required to consume
Which of the following do humans consume as part of a balanced diet? (Select all that apply.)
nucleic acids
lipids (fats)
proteins
carbohydrates
water
lipids (fats)
proteins
carbohydrates
water
nutrient
any ingested chemical that is absorbed and used by the body
essential nutrients
an ingested chemical that must be consumed
non-essential nutrient
an ingested chemical that can be synthesized by the body if it is not consumed
Both carbohydrates and lipids are:
the major sources of energy for the cell.
Keratin is a ____________that comprises skin, hair, and nails.
protein
Carbohydrates are
part of nucleotide structure as ribose and deoxyribose.
,Both lipids and proteins
make up steroidal and proteinaceous hormones, respectively.
Determine if the vitamins are water soluble or fat soluble.
Vitamin A
Vitamin B
Vitamin C
Vitamin D
Vitamin E
Vitamin K
Fat-soluble vitamins (A, D, E, and K) are absorbed by fat, while water-soluble vitamins (everything other
than these four) are dissolved in water.
Which vitamin is needed for bone development and can be found as an additive in milk?
Vitamin D / calcitriol
Which minerals are used for fluid and electrolyte balance? (Select all that apply.)
zinc
sodium
iron
potassium
fluoride
sodium and potassium
When taking mineral supplements, it is possible to consume too many minerals?
Yes, too many minerals can cause issues just as too few can cause deficiencies
When a person consumes more protein than is excreted, this is... (Select all that apply.)
positive nitrogen balance
used as an indication of muscle atrophy
used for growth and development
negative nitrogen balance
positive nitrogen balance
used for growth and development
Positive protein balance means a person consumes more nitrogen than is excreted in urine and is used
for growth and development, as is the case in children, pregnant women, and athletes.
Which of the following is not a major class of nutrients?
Nucleic acids
, Lipids function as structural components in all of the following except __________.
protein hormones
Which of the following are macronutrients?
Carbohydrates, lipids, proteins, and water
Who would you expect to be in a state of negative nitrogen balance?
A patient with muscle atrophy
Proteins function as structural components in all of the following except __________.
glycolipids
Which of the following is the water soluble vitamin used as coenzyme?
Vitamin B
Carbohydrates function as structural components in all of the following except __________.
amino acids
Enzymes are primarily made of the macromolecule
proteins
The term metabolism includes which of the following:
consuming foods to extract nutrients
using nutrients to build and repair cells and tissues
using nutrients for energy
all the chemical reactions that take place in our cells
All of the options are correct
Catabolism
The sum total of all processes in an organism which break down chemicals to produce energy and simple
chemical building blocks.
Anabolism
The sum total of all processes in an organism which use energy and simple chemical building blocks to
produce large chemicals and structures necessary for life.
True or False: Holoenzymes are complete and functional enzymes. These are made of protein
components called apoenzymes as well as any required coenzymes/cofactors.
True
Both NAD and FAD will become
reduced, high energy electron carriers as sugar molecules are reduced.
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