Quiz: Exam 2 (7,6)


Exam 2 (7,6)Online version Biol 207 by hoih 1 Which of the following is/are considered to be an anabolic reaction? a Krebs Cycle b Polypeptide synthesis c Cell assembly d Glycolysis 2 Anabolism and catabolism constitute the sum of reactions in the cell known as _______ a Binary fission b Metabolism c Energy balance d Mutation 3 What is true about enzymes? They are a Are proteins b Speed up reactions c Are specific to substrates d Are not consumed in reactions e All of above 4 Micronutrients such as Cu, Fe, Mn, Zn are essential for microbes because they function as________ a Coenzymes b Cofactors c Active site d Apoenzymes 5 Apoenzymes are the ______ part of a conjugated enzyme a Protein b Protein + inorganic adjuncts c Protein + organic adjuncts d Substrates 6 An enzyme that catalyzes starch is called a ______, whereas an enzyme that digests fat is termed a ________. a Carbohydrase; lipase b Maltase; lipase c Carbohydrase; peptidase d Maltase; peptidase 7 Competitive inhibition occurs when: a The enzyme permanently binds to the substrate b A mimic occupies the enzyme's active site c The product binds to the active site d A regulatory molecule binds to a site other than the active site 8 Noncompetitive inhibition is different from competitive inhibition because: a It uses a mimic to block the active site b It involves cofactors c The regulator molecule binds at a site other than the active site d It prevents enzyme repression 9 Which molecule is known as the "energy currency" of the cell? a DNA b ATP c RNA d NADH 10 What are the three components of ATP? a Nitrogen base, deoxyribose sugar, phosphate group b Nitrogen base, ribose sugar, three phosphate groups c Adenine, ribose sugar, two phosphate groups d Adenine, glucose, phosphate group 11 What is the final electron and hydrogen acceptor in aerobic respiration? a Carbon dioxide b Glucose c Oxygen d Nitrogen 12 The start codon for translation is: a UGA b UAG c AUG d UAA 13 What is the purpose of a stop codon? a To start protein synthesis b To add amino acids to a chain c To terminate protein synthesis d To initiate transcription 14 Mutations that result from exposure to UV light or chemicals are called: a Spontaneous mutations b Induced mutations c Genetic mutations d Point mutations 15 Who cracked the genetic code? a James Watson b Francis Crick c Marshall Nirenberg d Rosalind Franklin 16 In bacteria, translation begins: a After transcription is fully completed b During transcription c In the nucleus d Only when ribosomes are assembled 17 A microorganism with a natural, non-mutated characteristic is known as: a Mutant strain b Wild type c Spontaneous mutant d Induced mutant 18 The metabolic process that uses energy to synthesize macromolecules is called: a Catabolism b Anabolism c Glycolysis d Krebs cycle 19 In enzyme repression, excess product binds to which part of DNA? a Active site b Regulatory site c Operator region d Cofactor region 20 What type of metabolic pathway forms a cycle where the starting molecule is regenerated? a Linear pathway b Cyclic pathway c Branched pathway d Anabolic pathway

1

Which of the following is/are considered to be an anabolic reaction?

a

Krebs Cycle

b

Polypeptide synthesis

c

Cell assembly

d

Glycolysis

2

Anabolism and catabolism constitute the sum of reactions in the cell known as _______

a

Binary fission

b

Metabolism

c

Energy balance

d

Mutation

3

What is true about enzymes? They are

a

Are proteins

b

Speed up reactions

c

Are specific to substrates

d

Are not consumed in reactions

e

All of above

4

Micronutrients such as Cu, Fe, Mn, Zn are essential for microbes because they function as________

a

Coenzymes

b

Cofactors

c

Active site

d

Apoenzymes

5

Apoenzymes are the ______ part of a conjugated enzyme

a

Protein

b

Protein + inorganic adjuncts

c

Protein + organic adjuncts

d

Substrates

6

An enzyme that catalyzes starch is called a , whereas an enzyme that digests fat is termed a __.

a

Carbohydrase; lipase

b

Maltase; lipase

c

Carbohydrase; peptidase

d

Maltase; peptidase

7

Competitive inhibition occurs when:

a

The enzyme permanently binds to the substrate

b

A mimic occupies the enzyme's active site

c

The product binds to the active site

d

A regulatory molecule binds to a site other than the active site

8

Noncompetitive inhibition is different from competitive inhibition because:

a

It uses a mimic to block the active site

b

It involves cofactors

c

The regulator molecule binds at a site other than the active site

d

It prevents enzyme repression

9

Which molecule is known as the "energy currency" of the cell?

a

DNA

b

ATP

c

RNA

d

NADH

10

What are the three components of ATP?

a

Nitrogen base, deoxyribose sugar, phosphate group

b

Nitrogen base, ribose sugar, three phosphate groups

c

Adenine, ribose sugar, two phosphate groups

d

Adenine, glucose, phosphate group

11

What is the final electron and hydrogen acceptor in aerobic respiration?

a

Carbon dioxide

b

Glucose

c

Oxygen

d

Nitrogen

12

The start codon for translation is:

a

UGA

b

UAG

c

AUG

d

UAA

13

What is the purpose of a stop codon?

a

To start protein synthesis

b

To add amino acids to a chain

c

To terminate protein synthesis

d

To initiate transcription

14

Mutations that result from exposure to UV light or chemicals are called:

a

Spontaneous mutations

b

Induced mutations

c

Genetic mutations

d

Point mutations

15

Who cracked the genetic code?

a

James Watson

b

Francis Crick

c

Marshall Nirenberg

d

Rosalind Franklin

16

In bacteria, translation begins:

a

After transcription is fully completed

b

During transcription

c

In the nucleus

d

Only when ribosomes are assembled

17

A microorganism with a natural, non-mutated characteristic is known as:

a

Mutant strain

b

Wild type

c

Spontaneous mutant

d

Induced mutant

18

The metabolic process that uses energy to synthesize macromolecules is called:

a

Catabolism

b

Anabolism

c

Glycolysis

d

Krebs cycle

19

In enzyme repression, excess product binds to which part of DNA?

a

Active site

b

Regulatory site

c

Operator region

d

Cofactor region

20

What type of metabolic pathway forms a cycle where the starting molecule is regenerated?

a

Linear pathway

b

Cyclic pathway

c

Branched pathway

d

Anabolic pathway

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Exam 2 (7,6)

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Exam 2 (7,6)Online version

by hoih

Which of the following is/are considered to be an anabolic reaction?

Anabolism and catabolism constitute the sum of reactions in the cell known as _______

What is true about enzymes? They are

Micronutrients such as Cu, Fe, Mn, Zn are essential for microbes because they function as________

Apoenzymes are the ______ part of a conjugated enzyme

An enzyme that catalyzes starch is called a , whereas an enzyme that digests fat is termed a __.

Competitive inhibition occurs when:

Noncompetitive inhibition is different from competitive inhibition because:

Which molecule is known as the "energy currency" of the cell?

What are the three components of ATP?

What is the final electron and hydrogen acceptor in aerobic respiration?

The start codon for translation is:

What is the purpose of a stop codon?

Mutations that result from exposure to UV light or chemicals are called:

Who cracked the genetic code?

In bacteria, translation begins:

A microorganism with a natural, non-mutated characteristic is known as:

The metabolic process that uses energy to synthesize macromolecules is called:

In enzyme repression, excess product binds to which part of DNA?

What type of metabolic pathway forms a cycle where the starting molecule is regenerated?

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Exam 2 (7,6)

Quiz

About this activity

Created by

Download the paper version to play

Top Games

Quiz

UPS 5 Seeing Habits Quiz

Quiz

Spanish Alphabet Listening

Quiz

Tissues - Practice Quiz

Quiz

Practice Quiz - Punnett Square, Variation, and Mutations

Quiz

Photosynthesis vs Cellular Respiration - Practice Quiz

Exam 2 (7,6)Online version

by hoih

Which of the following is/are considered to be an anabolic reaction?

Anabolism and catabolism constitute the sum of reactions in the cell known as _______

What is true about enzymes? They are

Micronutrients such as Cu, Fe, Mn, Zn are essential for microbes because they function as________

Apoenzymes are the ______ part of a conjugated enzyme

An enzyme that catalyzes starch is called a ______, whereas an enzyme that digests fat is termed a ________.

Competitive inhibition occurs when:

Noncompetitive inhibition is different from competitive inhibition because:

Which molecule is known as the "energy currency" of the cell?

What are the three components of ATP?

What is the final electron and hydrogen acceptor in aerobic respiration?

The start codon for translation is:

What is the purpose of a stop codon?

Mutations that result from exposure to UV light or chemicals are called:

Who cracked the genetic code?

In bacteria, translation begins:

A microorganism with a natural, non-mutated characteristic is known as:

The metabolic process that uses energy to synthesize macromolecules is called:

In enzyme repression, excess product binds to which part of DNA?

What type of metabolic pathway forms a cycle where the starting molecule is regenerated?

An enzyme that catalyzes starch is called a , whereas an enzyme that digests fat is termed a __.