If a cell stops at the G 1 checkpoint, this is most likely due to what problem

The DNA has notfinished replicating.

The chromosomes are not aligned properly.

There is no problem. The cell normally stops at the G 1 checkpoint

Which of the following is true of the chromosomes ina cell undergoing mitosis?

They are unavailable for RNA synthesis.

They no longer have histones bound to them

They stay within the confines of the cell nucleus.

They are present in the haploid number.

In humans, the diploid number of chromosomes is

variable depending on whether male or female

Which of the following best describes the role of histones?

Histones are responsible for packaging the DNA so it can fit into a small space.

Histones play a role in coding for hereditary features

Histones make RNA synthesis possible

Histones are not thought to play any role in the cell

Histones determine the diploid number of chromosomes

If a crayfish has 200 total chromosomes in its body cells (not ovaries or testes)

they would consist of 100 pairs with one of each pair from the father, one of each pair from the mother

any 100 could have been from its father and any 100 from its mother.

as many as none to 200 came from the father and conversely, from 200 to none would have come from the mother

50 pairs or 100 total would come from the father and 50 pairs from the mother.

all 200 come from the mother in a female crayfish, all 200 from the father in a male crayfish

Without considering the variation provided by crossing-over, how much will two siblingsfrom one set of parents vary from each other

Siblings inherit essentially 50% of their genes from each parent, but two sibling offspring may share with each other from zero to 23 chromosomes in common from each parent and therefore vary widely from each other

All siblings from the same parents are identical to each other and demonstrate traits that are exactly halfway between their parents' traits

Siblings receive100%of one parent's genes or the other parent's genes so they will either be identical if they receive the same parent's genes, or nothing alike if they receive different parent's genes

Siblings inherit copies of the same 23 pairs of chromosomes from each parent and only crossing-over provides any differences between siblings

There is one chance in 23 of getting identical sets of chromosomes from one parent, times two because there are two parents; therefore, two siblings out of 46 will be identical except for the extent of crossing-over

Why are two children born to the same parents (not identical twins) unlikely to have the same genetic makeup

All of the answer choices lead to genetic differences among siblings.

Crossing-over recombines portions of sister chromatids.

Fertilization provides a new pairing of chromosomes.

Each sperm or egg has a random assortment of chromosomes, half from each pair.

Chromosomes align themselves independently during meiosis I.

What are the input requirements of glycolysis?

2 ATP, 2 NAD +, glucose, and 2 ADP

4 ATP, 2 NAD +, glucose, and 4 ADP

2 ATP, 4 NAD +, glucose, and 4 ADP

Which molecules are the products of aerobic respiration?

lactate, carbon dioxide, and oxygen

Which of the following pathways of cellular respiration produces the majority of ATP?

electron transport chain and chemiosmosis

What is the correct order of phases in cellular respiration?

glycolysis, prepreaction, citric acid cycle, electron transport chain

citric acidcycle, prep reaction, glycolysis, electron transport chain

electrontransport chain, glycolysis, prep reaction, citric acid cycle

prep reaction,glycolysis, electron transport chain, citric acid cycle

glycolysis,citric acid cycle, prep reaction, electron transport chain

Which of the following statements about glycolysis is true?

Glycolysis breaks glucose down to two pyruvate molecules.

Glycolysisresults in the release of carbon dioxide.

Glycolysis is acyclical reaction.

Glycolysis is areduction reaction where only glucose is reduced.

Glycolysis occurstwice per glucose molecule.

Which of the following best defines substrate-level ATP synthesis?

An enzyme passes a high-energy phosphate to ADP, resulting in ATP.

ATP is used toactivate glucose for glycolysis.

An exergonicreaction is used to drive the synthesis of ATP from ADP plus phosphate

Oxidation of a substrate results in a high-energy bond.

ATP is synthesized from adenosine plus three phosphates.

Which stage(s) will produce carbon dioxide in cellular respiration?

both the preparatory reaction and the citric acid cycle

both glycolysisand the electron transport chain

Which is a correct association of mitochondrion structure and phase of cellular respiration

matrix - electron transport chain

The carriers of the electron transport chain are located

on the cristae of the mitochondria.

in the matrix of the mitochondria.

on the outer mitochondrial membrane.

within the intermembrane space.

within the cytoplasm of the cell.

Which of the following statement(s) about fermentation is/are true?

All the answer choices are true statements about fermentation.

Fermentation can produce alcohol.

Fermentation doesnot require oxygen.

Fermentation canproduce lactic acid.

Fermentation produces a net of two ATP molecules.

Mendel's law of segregation implies that the two members of an allele pair

are distributed to separate gametes.

are distributed to the same gamete.

must always code for the identical trait or feature.

For Mendel's law of segregation to occur, the alleles must be

on a homologous pair of chromosome at the same loci.

at different loci on the same chromosome.

at the same locion the same chromosome.

on a nonhomologous pair of chromosomes.

on different loci on different chromosomes.

In humans, widow's peak ( W) is dominant over straight hairline ( w). If a heterozygous male marries a female with a straight hairline, what percent of their children can be expected to have widow's peak

The answer cannot be determined by the information given.

What genotypic ratio would result from a cross between two individuals who are both heterozygous for a trait

25% homozygous dominant, 50% heterozygous, 25% homozygous recessive

50% homozygous dominant, 50% homozygous recessive

50% homozygous dominant, 50% heterozygous

In which kind of monohybrid cross would you expect to find a phenotypic ratio of 3:1 among the offspring

homozygous recessive× homozygous recessive

homozygous dominant× homozygous dominant

homozygous recessive × homozygous dominant

homozygous dominant × heterozygous

Practice Exam 2

Authored by Leighe Cantrell

Biology

University

NGSS covered

Used 5+ times

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The cell cycle consists of

mitosis and interphase

meiosis and interphase

prophse and interphase

metaphase and interphase

changes from a haploid to a diploid

Tags

NGSS.HS-LS1-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Following a cut or scrape, which process repairs your skin

meiosis

meiosis and mitosis

mitosis

mitosis and apoptosis

apoptosis

Tags

NGSS.HS-LS1-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a correct association?

S stage-cell growth

M stage-DNA replication

interphase-shortest stage of the cell cycle

G 1 stage-cytokinesis

G 2 stage-the cell synthesizes the proteins needed for cell division

Tags

NGSS.HS-LS1-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When does apoptosis occur?

during development

during interphase

during mitosis

during meiosis

during injury repair

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the correct sequence for the cell cycle?

S-M-G 1-G 2

S-M-G 2-G 1

S-G 1-G 1-M

G 1-S-G 2-M

S-G 1-M-G 2

Tags

NGSS.HS-LS1-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Upon examination, a cell is found to have twice as much DNA as the normal diploid state
but is no longer in the process of replicating the DNA. All of the DNA is found within a single
nucleus. Which phase of the cell cycle is this cell in?

cytokinesis

Tags

NGSS.HS-LS1-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following proteins would you expect to be a coded for by a proto-
oncogene?

a growth factor receptor

a DNA repair protein

a protein involved with the G 1 checkpoint

an enzyme involved with apoptosis

a DNA replication protein

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Practice Exam 2

The cell cycle consists of

Following a cut or scrape, which process repairs your skin

Which of the following is a correct association?

When does apoptosis occur?

Which of the following is the correct sequence for the cell cycle?

Upon examination, a cell is found to have twice as much DNA as the normal diploid state
but is no longer in the process of replicating the DNA. All of the DNA is found within a single
nucleus. Which phase of the cell cycle is this cell in?

Which of the following proteins would you expect to be a coded for by a proto-
oncogene?

Hormones that deliver a signal to the plasma membrane of target cells are known as

If a cell stops at the G 1 checkpoint, this is most likely due to what problem

Which type of genes, when abnormally activated, can result in cancer?

Access all questions and much more by creating a free account

Popular Resources on Wayground

Discover more resources for Biology

Practice Exam 2

The cell cycle consists of

Following a cut or scrape, which process repairs your skin

Which of the following is a correct association?

When does apoptosis occur?

Which of the following is the correct sequence for the cell cycle?

Upon examination, a cell is found to have twice as much DNA as the normal diploid statebut is no longer in the process of replicating the DNA. All of the DNA is found within a singlenucleus. Which phase of the cell cycle is this cell in?

Which of the following proteins would you expect to be a coded for by a proto-oncogene?

Hormones that deliver a signal to the plasma membrane of target cells are known as

If a cell stops at the G 1 checkpoint, this is most likely due to what problem

Which type of genes, when abnormally activated, can result in cancer?

Access all questions and much more by creating a free account

Popular Resources on Wayground

Discover more resources for Biology

Upon examination, a cell is found to have twice as much DNA as the normal diploid state
but is no longer in the process of replicating the DNA. All of the DNA is found within a single
nucleus. Which phase of the cell cycle is this cell in?

Which of the following proteins would you expect to be a coded for by a proto-
oncogene?