Which of the following best describes the role of enzymes in DNA replication?

They speed up the chemical reactions involved in replication.

They provide the energy needed for replication.

They break down the DNA molecule into smaller pieces.

They act as a template for new DNA strands.

In the context of genetics, what does the term "homozygous" refer to?

Having two identical alleles for a particular gene

Having two different alleles for a particular gene

The physical appearance of an organism

The genetic makeup of an organism

What is the significance of the genetic code being described as "universal"?

It means that the same codons specify the same amino acids in almost all organisms.

It means that all organisms have the same genes.

It means that all organisms use DNA as their genetic material.

It means that all organisms can interbreed with each other.

Which of the following best describes the role of tRNA during translation?

It carries amino acids to the ribosome.

It forms the ribosome structure.

It synthesizes new DNA strands.

What is the primary function of DNA polymerase in DNA replication?

To synthesize new DNA strands complementary to the template strands

Which of the following is a characteristic of meiosis but not mitosis?

Reduction of chromosome number by half

Formation of two daughter cells

In genetics, what is the difference between a dominant allele and a recessive allele?

A dominant allele is always expressed, while a recessive allele is only expressed when two copies are present.

A dominant allele is found on the X chromosome, while a recessive allele is found on the Y chromosome.

A dominant allele causes diseases, while a recessive allele does not.

A dominant allele is more common in the population than a recessive allele.

What are the reactants (what's needed) for photosynthesis?

light, water, and carbon dioxide

Which of the following is the correct equation for PHOTOSYNTHESIS?

carbon dioxide + water --> oxygen + glucose

carbon dioxide + glucose + water --> oxygen

oxygen + water --> carbon dioxide + glucose

glucose+ oxygen ---> water + carbon dioxide

In which way are photosynthesis and cellular respiration different?

Photosynthesis uses carbon dioxide, while cellular respiration produces carbon dioxide.

Cellular respiration stores ATP, while photosynthesis releases ATP.

Cellular respiration produces oxygen, while photosynthesis uses oxygen.

Photosynthesis releases energy, while cellular respiration stores energy.

The stage of the cell cycle where the rest of the cell divides after mitosis is complete.

This is when two cells merge together to make one giant cell.

The stage where chromosomes migrate to the opposite ends of the cell.

The stage in which DNA condenses into chromosomes.

Identify the parts of the nucleotide shown:

1) Phosphate 2) Deoxyribose Sugar 3) Nitrogen Base

1) Ribose Sugar 2) Phosphate 3) Nitrogen Base

1) Deoxyribose Sugar 2) Phosphate 3) Nitrogen Base

1) Phosphate 2) Ribose Sugar 3) Nitrogen Base

What occurs during G1?

Chromosomes line up at the equator.

Spindle fibers separate chromosomes to opposite poles of the cell.

What is the purpose of the checkpoints in the cell cycle? Select all that apply:

To regulate the process and check for abnormalities

Prevent unhealthy cells from continuing on the the cycle

Prevent water from entering the cycle

Errors in the regulatory process of the cell cycle that results in uncontrolled cell growth

There is no known cause for cancer

Catching it from someone you know that has cancer

Biology QBA 3 Practice

Authored by Sam Big

Biology

10th Grade

NGSS covered

Used 67+ times

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the process by which a cell divides to form two daughter cells, each of which has the same number and kind of chromosomes as the parent nucleus?

Meiosis

Mitosis

Transcription

DNA replication

During which phase of mitosis do the chromosomes line up in the middle of the cell?

Telophase

Anaphase

Metaphase

Prophase

What is the process by which a single cell divides twice to produce four cells containing half the original amount of genetic information?

Mitosis

Meiosis

Transcription

Translation

In genetics, what term describes the physical appearance or visible traits of an organism?

Genotype

Phenotype

Allele

Homozygous

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the process by which DNA is copied before cell division?

Transcription

Translation

DNA replication

Mitosis

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During transcription, what molecule is synthesized from the DNA template?

DNA

mRNA

tRNA

rRNA

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term for the exchange of genetic material between homologous chromosomes during meiosis, leading to a mixture of parental characteristics in offspring?

Crossing over

Independent assortment

Segregation

Duplication

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Biology QBA 3 Practice

What is the process by which a cell divides to form two daughter cells, each of which has the same number and kind of chromosomes as the parent nucleus?

During which phase of mitosis do the chromosomes line up in the middle of the cell?

What is the process by which a single cell divides twice to produce four cells containing half the original amount of genetic information?

In genetics, what term describes the physical appearance or visible traits of an organism?

What is the process by which DNA is copied before cell division?

During transcription, what molecule is synthesized from the DNA template?

What is the term for the exchange of genetic material between homologous chromosomes during meiosis, leading to a mixture of parental characteristics in offspring?

Which of the following best describes the role of enzymes in DNA replication?

What is the term used to describe a segment of DNA that codes for a specific protein?

Which of the following processes results in the formation of gametes?

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