Which of the following is NOT true regarding polycistronic mRNA translation?

Initiation of translation can occur at multiple locations

mRNA strand contains multiple AUG codons

Anabolic pathways ____________, and catabolic pathways ____________.

Build molecules & consume energy; break down molecules & release energy

Break down molecules & release energy; build molecules & consume energy

If the ΔG = +86.24 kJ for a reaction, which of the following is true?

The reaction occurs spontaneously.

There is more energy contained in the reactants than the products.

Which of the following is NOT true regarding enzymes?

Enzymes change the ΔG of the reaction

Enzymes speed up reactions without being consumed

Based on the image to the right, which of the following is true?

The energy of the products is greater than the energy of the reactants

A competitive inhibitor binds to the ______ in order to ______.

Active site, decrease rate of reaction

Active site, increase rate of reaction

Allosteric site, decrease rate of reaction

Allosteric site, increase rate of reaction

If oxygen availability is low for a plant cell, what is the fate of pyruvate?

Reduced by NADH to produce ethanol

Reduced by NADH to produce lactic acid

ATP synthase is responsible for oxidative phosphorylation. ATP synthase is driven by the energy of what?

Transport of H+ down its concentration gradient

Transport of H+ against its concentration gradient

Transport of electrons down its concentration gradient

Transport of electrons against its concentration gradient

What happens to pyruvate during anaerobic respiration (fermentation) in animal cells?

Pyruvate is reduced by NADH to produce lactic acid

Ethanol is oxidized to produce pyruvate

Lactic acid is oxidized to produce pyruvate

Pyruvate is reduced by NADH to produce ethanol

In the presence of a toxin that completely inhibits the function of ATP synthase, (but does not affect photosynthetic electron transport) which of the following would you expect?

An increase in H⁺ concentration difference across the membrane

A decrease in H⁺ concentration difference across the membrane

Which of the following is FALSE regarding electron transport during photosynthesis?

Cyclic electron transport produces both ATP and NADPH

Noncyclic electron transport produces both ATP and NADPH

Cyclic electron transport only produces ATP

Light is absorbed by noncyclic electron transport and cyclic electron transport

What happens to the O₂ that is produced during the light-dependent reactions of photosynthesis?

Released into the atmosphere as a waste product

Recycled in the electron transport chain to be reused

Moves on to the Calvin cycle to produce carbon dioxide

Assists ATP synthase to synthesize ATP

Which of the following is NOT true of CAM plants?

Carbon fixation and Calvin cycle are separated by space (location in cell)

Carbon fixation and Calvin cycle are separated by time (day vs. night)

The process of photosynthesis occurs slowly

Tolerate lower ranges of temperatures

What is the movement of electrons during noncyclic electron transport?

H₂O → PS2 → ETC → PS1 → NADP+

NADP+ → PS1 → ETC → PS2 → H₂O

BIO 150 - Exam 2

Authored by Sidney Sowder

Biology

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50 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The central dogma states: DNA is into mRNA. mRNA is into proteins.

Translated, transcribed

Transcribed, translated

Replicated, translated

Translated, replicated

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Use the following mRNA sequence to form an amino acid sequence using the table to the right: 5’-AUGCCUGGUACGUGA-3’

Met Pro Gly Thr

Thr Gly Pro Met

Met Leu Gly Ile

Ile Glu Pro Met

Which of the following levels of protein structure involves folding which creates alpha helices and beta pleated sheets?

Primary structure

Secondary structure

Tertiary structure

Quaternary structure

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT true of denaturation in proteins?

Changes the shape of the protein

Caused by changes in temperature

Improves the function of the protein

Caused by changes in pH

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The R group in the amino acid to the right is:

Hydrophilic - polar

Hydrophilic - nonpolar

Hydrophobic - charged

Hydrophobic - nonpolar

Ribosomes are made up of two major components: 1) protein & 2) _______.

rRNA

DNA

lipids

mRNA

tRNA

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does it mean for a tRNA molecule to be charged?

It holds the amino acid needed for translation

It has an overall positive charge

It contains the anticodon

It has an overall negative charge

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BIO 150 - Exam 2

The central dogma states: DNA is into mRNA. mRNA is into proteins.

Use the following mRNA sequence to form an amino acid sequence using the table to the right: 5’-AUGCCUGGUACGUGA-3’

Which of the following levels of protein structure involves folding which creates alpha helices and beta pleated sheets?

Which of the following is NOT true of denaturation in proteins?

The R group in the amino acid to the right is:

Ribosomes are made up of two major components: 1) protein & 2) _______.

What does it mean for a tRNA molecule to be charged?

During the elongation step of translation, what is the order of movement of tRNA molecules through the ribosomal binding sites?

What is the sequence of the anticodon to the following codon: 5’- UGC -3’?

Which of the following is NOT true regarding polycistronic mRNA translation?

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BIO 150 - Exam 2

The central dogma states: DNA is ________ into mRNA. mRNA is ________ into proteins.

Use the following mRNA sequence to form an amino acid sequence using the table to the right: 5’-AUGCCUGGUACGUGA-3’

Which of the following levels of protein structure involves folding which creates alpha helices and beta pleated sheets?

Which of the following is NOT true of denaturation in proteins?

The R group in the amino acid to the right is:

Ribosomes are made up of two major components: 1) protein & 2) _______.

What does it mean for a tRNA molecule to be charged?

During the elongation step of translation, what is the order of movement of tRNA molecules through the ribosomal binding sites?

What is the sequence of the anticodon to the following codon: 5’- UGC -3’?

Which of the following is NOT true regarding polycistronic mRNA translation?

Access all questions and much more by creating a free account

Similar Resources on Wayground

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The central dogma states: DNA is into mRNA. mRNA is into proteins.