Which of the following is the correct order of mitosis?

Prophase, metaphase, anaphase, telophase

Prophase, anaphase, interphase, telophase

Anaphase, metaphase, telophase, prophase

Interphase, metaphase, anaphase, telophase

DNA is a molecule that is made from repeating units of nucleotides. Which of the following correctly labels the parts of a nucleotide?

Phosphate group, sugar, nitrogenous base

Phosphate group, lipid, nitrogenous base

One difference between RNA and DNA is:

RNA contains uracil, while DNA contains thymine.

RNA is double-stranded, while DNA is single-stranded.

RNA contains deoxyribose, while DNA contains ribose.

RNA is found only in the nucleus, while DNA is found only in the cytoplasm.

c) DNA bases follow a base pairing rule. State which base binds to the following bases: Thymine binds with __________ Guanine binds with __________

Thymine binds with Adenine. Guanine binds with Cytosine.

Thymine binds with Cytosine. Guanine binds with Adenine.

Thymine binds with Guanine. Guanine binds with Thymine.

Thymine binds with Thymine. Guanine binds with Adenine.

The purpose of DNA is:

To transport oxygen in the blood

e) Select one protein and its purpose inside of the human body.

Hemoglobin - transports oxygen in the blood

Insulin - digests carbohydrates

Collagen - stores genetic information

For the following DNA strand, what is the complementary code: CGC GAT CGA GCG ATC GAC GAA TGC CTA GTT TTA

GCG CTA GCT CGC TAG CTG CTT ACG GAT CAA AAT

CGC GAT CGA GCG ATC GAC GAA TGC CTA GTT TTA

GCG CTA GCT CGC ATG CTG CTT ACC GAT CAA AAA

GCA CTA GCT CGC TAG CTG CTT ACG GAT CAA AAT

Select the correct order of mitosis stages (they are not in order):

A. Telophase, B. Metaphase, C. Prophase, D. Anaphase

A. Prophase, B. Metaphase, C. Anaphase, D. Telophase

A. Metaphase, B. Prophase, C. Telophase, D. Anaphase

A. Anaphase, B. Telophase, C. Prophase, D. Metaphase

What is the purpose of mitosis? Which of the following are two things it does inside your body?

It helps in growth and repair of tissues.

It produces energy and digests food.

It transports oxygen and removes waste.

It controls body temperature and produces hormones.

Which of the following are two differences between meiosis and mitosis?

Meiosis produces four cells, mitosis produces two; meiosis cells are haploid, mitosis cells are diploid.

Meiosis produces two cells, mitosis produces four; both produce diploid cells.

Meiosis and mitosis both produce four haploid cells.

Meiosis and mitosis both produce two diploid cells.

The purpose of meiosis is:

to produce gametes with half the number of chromosomes

to increase the number of chromosomes in cells

Describe what is occurring in this process.

A chemical reaction is taking place.

A new substance is being formed.

A physical change is occurring.

Meiosis produces cells with half the amount of DNA as the original cell. Why is this separation of DNA important?

It ensures genetic integrity in fertilisation.

It allows cells to grow larger.

It prevents cells from dividing.

It increases the amount of DNA in cells.

The role of mRNA in translation is:

To serve as a template for protein synthesis

To carry amino acids to the ribosome

To form the structure of ribosomes

To catalyze peptide bond formation

It is important that cells are able to go through transcription and translation because:

They allow cells to produce proteins necessary for life processes.

They enable cells to absorb more nutrients.

They allow cells to store more energy.

Look at the diagram below using the following terms: tRNA, Ribosome, mRNA, Amino acid chain. Identify the labeled parts (A, B, C, D) in the diagram.

A: Amino acid chain B: tRNA C: mRNA D: Ribosome

A: Ribosome B: tRNA C: Amino acid chain D: mRNA

A: mRNA B: Ribosome C: tRNA D: Amino acid chain

A: Amino acid chain B: mRNA C: Ribosome D: tRNA

Using the DNA strand below, transcribe it into mRNA and determine the amino acid sequence. CCG CTT TCG CTA TTA TAA

mRNA: GGC GAA AGC GAU AAU AUU Amino acid sequence: Gly-Glu-Ser-Asp-Asn-Ile

mRNA: CCG CUU UCG CUA UUA UAA Amino acid sequence: Pro-Leu-Ser-Leu-Leu-Stop

mRNA: GGA GAG AGC GAU AAU AUU Amino acid sequence: Gly-Glu-Ser-Asp-Asn-Ile

mRNA: GGC GAA AGC GAC AAU AUU Amino acid sequence: Gly-Glu-Ser-Asp-Asn-Ile

A substitution mutation is:

a change in which one base is replaced by another in a DNA sequence

the removal of a base from a DNA sequence

the addition of an extra base in a DNA sequence

a mutation that does not affect the DNA sequence

Which of the following best describes the difference between a substitution and deletion mutation?

A substitution mutation replaces one base with another, while a deletion mutation removes a base from the DNA sequence.

A substitution mutation removes a base from the DNA sequence, while a deletion mutation replaces one base with another.

Both substitution and deletion mutations remove bases from the DNA sequence.

Both substitution and deletion mutations replace one base with another.

Genetics test 2025 Quiz

38 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The average number of chromosomes found in a human body cell is?

46 chromosomes

23 chromosomes

12 Chromosomes

None of the above

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A strand of DNA has the base sequence CCTAGTC. What is the complementary sequence?

GGCATCC

GGATCAG

GTATACT

GATCATA

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following statements best describes a structural difference between DNA and RNA?

DNA is found only in the nucleus, while RNA is found only in the cytoplasm.

DNA contains the sugar ribose, while RNA contains the sugar deoxyribose.

DNA has a double-helix structure, while RNA is usually single-stranded.

DNA bases include uracil, while RNA bases include thymine.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the role of ribosomes in translation?

Transcribing DNA into mRNA

Carrying amino acids to the ribosome

Creating a protein by joining amino acids

Packaging and modifying proteins

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is not a characteristic of RNA?

Ribose sugar

Single stranded

Uracil

Deoxyribose sugar

6.

OPEN ENDED QUESTION

3 mins • 2 pts

The job of mRNA can best be described as?

Evaluate responses using AI:

OFF

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the function of the molecule described as tRNA?

Collects amino acids and attaches them in a chain

Forms part of the ribosome

Is part of the DNA

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Genetics test 2025

The average number of chromosomes found in a human body cell is?

A strand of DNA has the base sequence CCTAGTC. What is the complementary sequence?

Which of the following statements best describes a structural difference between DNA and RNA?

What is the role of ribosomes in translation?

Which of the following is not a characteristic of RNA?

The job of mRNA can best be described as?

What is the function of the molecule described as tRNA?

Which of the following is the correct order of mitosis?

What stage of mitosis is shown?

During transcription, the DNA strand that serves as a template for mRNA synthesis is called the:

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