Alannah McDonnell
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biochem Quiz on Biochem Midterm Exam 2018 MD140 lect 1-5, created by Alannah McDonnell on 08/02/2018.

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Alannah McDonnell
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Biochem Midterm Exam 2018 MD140 lect 1-5

Question 1 of 59

1

What increases the transcription of Glucokinase

Select one of the following:

  • Glucose

  • Iron

  • Glycogen

  • Cellulose

Explanation

Question 2 of 59

1

Iron increases transcription for the synthesis of ferritin

Select one of the following:

  • True
  • False

Explanation

Question 3 of 59

1

Select from the dropdown lists to complete the text.

( Vitamin K, Iron, Glucokinase, Glucose ) increases the post ( translational, transcriptional ) carboxylation of ( glutamine, gluthamic acid residues ) for synthesis of ( thrombin, prothrombin )

Explanation

Question 4 of 59

1

Phenotypic variability is based on interindividual genetic variation

Select one of the following:

  • True
  • False

Explanation

Question 5 of 59

1

What can nutrients influence

Select one or more of the following:

  • gene expression

  • protein expression

  • metabolite production

Explanation

Question 6 of 59

1

What are the genomic tools

Select one or more of the following:

  • transcriptomics

  • proteomics

  • metabolomics

  • nutriomics

  • panomics

Explanation

Question 7 of 59

1

what is the precursor of creatine

Select one of the following:

  • aspartame

  • histidine

  • tryptophan

  • arginine

Explanation

Question 8 of 59

1

what is dangerous for PKU sufferers

Select one of the following:

  • Histidine

  • neotame

  • aspartame

  • glucose

Explanation

Question 9 of 59

1

Carrots have a higher glycemic index than ice cream

Select one of the following:

  • True
  • False

Explanation

Question 10 of 59

1

Carrots have a higher glycemic load than icecream

Select one of the following:

  • True
  • False

Explanation

Question 11 of 59

1

what is the precursor for nitric oxide

Select one of the following:

  • nitrogen

  • oxygen

  • aspartame

  • arginine

  • histidine

Explanation

Question 12 of 59

1

what amino acid is decarboxylated to histamine

Select one of the following:

  • histamine

  • tryptophan

  • glycine

  • histidine

  • arginine

Explanation

Question 13 of 59

1

precursor of serotonin?

Select one of the following:

  • Tryptophan

  • Glycine

  • arginine

  • histamine

Explanation

Question 14 of 59

1

what is δ-aminolaevulinic acid made from?

Select one of the following:

  • Glycine

  • tryptophan

  • histidine

Explanation

Question 15 of 59

1

which of these are functions of glycine

Select one or more of the following:

  • it is required for detox reactions in the liver

  • it occurs in every 2nd AA in collagen

  • it is a principle inhibitory transmitter in the brain stem

  • it is a principle inhibitory transmitter in the spinal cord

  • it is a principle inhibitory transmitter in the nerve endings

  • it occurs in every 3rd AA in collagen

Explanation

Question 16 of 59

1

what PDCAAs are >1.00

Select one or more of the following:

  • Egg

  • Gelatin

  • whole wheat bread

  • milk protein

  • soybean proteins

  • kidney beans

Explanation

Question 17 of 59

1

what PDCAAs are <1

Select one or more of the following:

  • egg

  • gelatin

  • milk protein

  • whole wheat bread

  • kidney beans

  • soybean proteins

Explanation

Question 18 of 59

1

PDCAA of beef/poultry/fish

Select one of the following:

  • 0.85

  • 3

  • 1.2

  • 0.55

Explanation

Question 19 of 59

1

what do polymorphisms of IRS explain?

Select one of the following:

  • much of the inherited susceptibility of osteoporosis

  • much of the inherited susceptibility of T2D

  • elevated blood homocysteine

  • high need for folic acid

Explanation

Question 20 of 59

1

what do polymorphisms of Vit D explain?

Select one of the following:

  • much of the inherited susceptibility of osteoporosis

  • much of the inherited susceptibility of T2D

  • elevated blood homocysteine, high need for folic acid

Explanation

Question 21 of 59

1

what do polymorphisms of methylene tetrahydrofolate reductase explain?

Select one of the following:

  • much of the inherited susceptibility to osteoporosis

  • much of the inherited susceptibility to T2D

  • elevated blood homocysteine, high need for folic acid

Explanation

Question 22 of 59

1

Fill the blank space to complete the text.

RDA =

Explanation

Question 23 of 59

1

Fill the blank space to complete the text.

EAR =

Explanation

Question 24 of 59

1

Fill the blank space to complete the text.

AI =

Explanation

Question 25 of 59

1

Fill the blank space to complete the text.

UL =

Explanation

Question 26 of 59

1

In an average 70kg man what % of body weight is Oxygen?

Select one of the following:

  • 61%

  • 23%

  • 10%

  • 5%

Explanation

Question 27 of 59

1

In an average 70kg man what % of body weight is Carbon?

Select one of the following:

  • 61

  • 23

  • 10

  • 2.6

  • 1.4

  • 0.8

Explanation

Question 28 of 59

1

In an average 70kg man what % of body weight is Hydrogen?

Select one of the following:

  • 61

  • 23

  • 10

  • 2.6

Explanation

Question 29 of 59

1

In an average 70kg man what % of body weight is Nitrogen?

Select one of the following:

  • 61

  • 23

  • 2.6

  • 1.4

Explanation

Question 30 of 59

1

In an average 70kg man what % of body weight is Calcium?

Select one of the following:

  • 61

  • 23

  • 10

  • 1.4

  • 0.8

Explanation

Question 31 of 59

1

In an average 70kg man what % of body weight is Phosphorus?

Select one of the following:

  • 61

  • 23

  • 2.6

  • 1.4

  • 0.8

Explanation

Question 32 of 59

1

In an average 70kg man what % of body weight is total water?

Select one of the following:

  • 60

  • 20

  • 14.4

  • 40

Explanation

Question 33 of 59

1

In an average 70kg man what % of body weight is total lipid?

Select one of the following:

  • 2.1

  • 60

  • 20

  • 40

Explanation

Question 34 of 59

1

In an average 70kg man what % of body weight is protein?

Select one of the following:

  • 2.6

  • 14.4

  • 40

  • 60.7

Explanation

Question 35 of 59

1

In an average 70kg man what % of body weight is muscle?

Select one of the following:

  • 40

  • 21

  • 60

  • 10

Explanation

Question 36 of 59

1

In an average 70kg man what % of body weight is Adipose Tissue?

Select one of the following:

  • 60

  • 40

  • 21

  • 10

Explanation

Question 37 of 59

1

which of these are indirect methods of determining body compositions

Select one or more of the following:

  • densitometry

  • weight/height indices

  • 40K Counting

  • CT / MRI

  • lean mass and fat mass

Explanation

Question 38 of 59

1

which are doubly indirect methods of determining body composition?

Select one or more of the following:

  • weight/height indices

  • bone mineral content and density

  • skinfolds/ ultasounds

  • creatinine excretion

  • CT / MRI

Explanation

Question 39 of 59

1

what is DXA for?

Select one or more of the following:

  • Densitometry

  • CT / MRI

  • bone mineral content and density

  • weight / height indices

  • fat mass and lean mass

Explanation

Question 40 of 59

1

which is the most important sugar alcohol

Select one of the following:

  • xylitol

  • glucose

  • sorbitol

  • erythritol

Explanation

Question 41 of 59

1

what is xylitol derived from

Select one of the following:

  • xylose

  • glucose

  • fructose

  • amalose

Explanation

Question 42 of 59

1

which takes into account the serving size

Select one of the following:

  • glycemic index

  • glycemic load

Explanation

Question 43 of 59

1

Examples of soluble fibres

Select one or more of the following:

  • pectin

  • cellulose

  • hemi cellulose

  • gums

  • semi celluloses

Explanation

Question 44 of 59

1

Examples of insoluble fibres

Select one or more of the following:

  • Cellulose

  • pectin

  • hemi cellulose

  • gums

  • lingin

Explanation

Question 45 of 59

1

what small chain fatty acids are produced in the large intestine?

Select one or more of the following:

  • acetate

  • propinate

  • butyrate

Explanation

Question 46 of 59

1

what is the major energy source for colonocytes

Select one of the following:

  • acetate

  • propinate

  • butyrate

Explanation

Question 47 of 59

1

which of the small chain fatty acids is metabolized by peripheral tissues

Select one of the following:

  • acetate

  • propionate

  • butyrate

Explanation

Question 48 of 59

1

which of these is 200 - 700 times sweeter than sugar?

Select one of the following:

  • aspartic acid

  • saccharin

  • sucralose

  • acesulfame K

Explanation

Question 49 of 59

1

which is 7000 - 13000 times sweeter than sugar?

Select one of the following:

  • aspartame

  • neotame

  • aspartic acid

  • saccharin

Explanation

Question 50 of 59

1

what is a safer alternative to Aspartame?

Select one of the following:

  • Neotame

  • sucralose

  • saccharine

  • acesulfame K

Explanation

Question 51 of 59

1

what is an identifier of Acesulfame K

Select one of the following:

  • pH stable

  • heat stable

  • 700 times sweeter than sugar

  • identical sweetness to sugar

Explanation

Question 52 of 59

1

what is omega 3 a precursor for?

Select one or more of the following:

  • EPA

  • DHA

  • Arachidonic acid

Explanation

Question 53 of 59

1

what is omega 6 a precursor for?

Select one or more of the following:

  • EPA

  • DHA

  • arachidonic acid

Explanation

Question 54 of 59

1

what is aspartame derived from

Select one or more of the following:

  • aspartic acid

  • phenylalanine

  • sucrose

  • fructose

  • ferric acid

Explanation

Question 55 of 59

1

which is an importance of omega 3

Select one or more of the following:

  • structure and function of cell membranes

  • skin integrity

  • fertility

  • eye & CNS

  • RBC structure

Explanation

Question 56 of 59

1

which is an importance of omega 6

Select one or more of the following:

  • structure and function of cell membranes

  • growth integrity

  • skin integrity

  • fertility

  • eye & CNS

  • RBC Structure

Explanation

Question 57 of 59

1

what is the other name for omega 3

Select one of the following:

  • alpha-linolenic acid

  • linoleic acid

Explanation

Question 58 of 59

1

what is the other name for omega 6?

Select one of the following:

  • alpha-linolenic acid

  • linoleic acid

Explanation

Question 59 of 59

1

Biological effects of omega 3

Select one or more of the following:

  • reduce risk of fatal heart attack

  • thin blood

  • decrease inflammation

  • break down fat

  • lower blood cholesterol

Explanation

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