Which is NOT a cofactor?
a. zinc
b. methionine
c. nicotinamide adenine dinucleotide
d. flavine adenine dinucleotide
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b. methionine
,Which of the following sequences could represent a protein?
a. UGG AUG AAA CAG GCG UUC AGG GGC
b. Gly-Met-Phe-Met-Tyr-Leu-Ser-Pro-Val-Arg-Leu-Leu
c. phosphate-ribose-phosphate-ribose-phosphate-ribose
d. TAC-Met-Ser-TTC-His-GTC-AGG-His-Thr-CAT
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b. Gly-Met-Phe-Met-Tyr-Leu-Ser-Pro-Val-Arg-Leu-Leu
Which of the following statements is wrong?
a. when the body is too warm, skin blood vessels dilate
b. sweating results in convective cooling
c. the cells of the stratum corneum contain keratin
d. melanocytes have a reduced capacity to repair DNA damage from UVA radiation
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b. sweating results in convective cooling
Heat breaks ------- bonds, causing proteins to denature
a. covalent
b. hydrogen
c. peptide
d. ionic
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, b. hydrogen
The fibular collateral and anterior cruciate are names of a. ligaments
b. bones
c. joints
d. tendons
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a. ligaments
The mitotic spindle is attached at each end to two poles formed by the
a. ribosomes
b. centrosomes
c. phagosomes
d. lysosomes
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b. centrosomes
In oxidative phosphorylation, electrons drive the
a. rotary enzyme ATP synthase
b. formation of NAD+ from FADH2
c. dissociation of water into oxygen and hydrogen ions
d. movement of protons across the mitochondrial inner membrane
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a. zinc
b. methionine
c. nicotinamide adenine dinucleotide
d. flavine adenine dinucleotide
Give this one a try later!
b. methionine
,Which of the following sequences could represent a protein?
a. UGG AUG AAA CAG GCG UUC AGG GGC
b. Gly-Met-Phe-Met-Tyr-Leu-Ser-Pro-Val-Arg-Leu-Leu
c. phosphate-ribose-phosphate-ribose-phosphate-ribose
d. TAC-Met-Ser-TTC-His-GTC-AGG-His-Thr-CAT
Give this one a try later!
b. Gly-Met-Phe-Met-Tyr-Leu-Ser-Pro-Val-Arg-Leu-Leu
Which of the following statements is wrong?
a. when the body is too warm, skin blood vessels dilate
b. sweating results in convective cooling
c. the cells of the stratum corneum contain keratin
d. melanocytes have a reduced capacity to repair DNA damage from UVA radiation
Give this one a try later!
b. sweating results in convective cooling
Heat breaks ------- bonds, causing proteins to denature
a. covalent
b. hydrogen
c. peptide
d. ionic
Give this one a try later!
, b. hydrogen
The fibular collateral and anterior cruciate are names of a. ligaments
b. bones
c. joints
d. tendons
Give this one a try later!
a. ligaments
The mitotic spindle is attached at each end to two poles formed by the
a. ribosomes
b. centrosomes
c. phagosomes
d. lysosomes
Give this one a try later!
b. centrosomes
In oxidative phosphorylation, electrons drive the
a. rotary enzyme ATP synthase
b. formation of NAD+ from FADH2
c. dissociation of water into oxygen and hydrogen ions
d. movement of protons across the mitochondrial inner membrane
Give this one a try later!
