What is DNA?(1 point)

Question

Responses

A hormone responsible for regulating metabolism
A hormone responsible for regulating metabolism

A complex carbohydrate involved in cell structure
A complex carbohydrate involved in cell structure

A type of protein found in cells
A type of protein found in cells

A molecule that carries genetic information
A molecule that carries genetic information
Question 2
Complete the following statement.(1 point)
In DNA, A pairs with
, and C pairs with
.
Question 3
Which of the following is a key difference between DNA and RNA?(1 point)
Responses

DNA contains thymine, while RNA contains uracil
DNA contains thymine, while RNA contains uracil

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

DNA is typically found in the cytoplasm, while RNA is found in the nucleus
DNA is typically found in the cytoplasm, while RNA is found in the nucleus

DNA uses ribose sugar, while RNA uses deoxyribose sugar
DNA uses ribose sugar, while RNA uses deoxyribose sugar
Question 4
Which of the following is NOT a part of a nucleotide?(1 point)
Responses

Sugar
Sugar

Phosphate group
Phosphate group

Nitrogenous base
Nitrogenous base

Amino acid
Amino acid
Question 5
What is the mRNA complementary strand for the following DNA strand:

ACC GTT AAT

(1 point)
Responses

UGG CAA UUA
UGG CAA UUA

TGG CAA TTA
TGG CAA TTA

ACC GTT AAT
ACC GTT AAT

CAA UGG CCG
CAA UGG CCG
Question 6
What is transcription?(1 point)
Responses

The process of copying RNA into DNA
The process of copying RNA into DNA

The process of copying DNA into mRNA
The process of copying DNA into mRNA

The process of translating mRNA into protein
The process of translating mRNA into protein

The process of breaking down RNA into nucleotides
The process of breaking down RNA into nucleotides
Question 7
What is protein synthesis?(1 point)
Responses

The process of copying DNA into RNA
The process of copying DNA into RNA

The process of creating proteins
The process of creating proteins

The process of breaking down proteins into amino acids
The process of breaking down proteins into amino acids

The process of replicating DNA to produce identical copies
The process of replicating DNA to produce identical copies
Question 8
Which structure is responsible for protein synthesis?(1 point)
Responses

Golgi apparatus
Golgi apparatus

Mitochondria
Mitochondria

Endoplasmic Reticulum
Endoplasmic Reticulum

Ribosome
Ribosome
Question 9
What is the primary role of transfer RNA (tRNA) in protein synthesis?(1 point)
Responses

Transcribing DNA into mRNA
Transcribing DNA into mRNA

Breaking down proteins into amino acids
Breaking down proteins into amino acids

Carrying amino acids to the ribosome
Carrying amino acids to the ribosome

Catalyzing the formation of peptide bonds
Catalyzing the formation of peptide bonds
Question 10
Using the figure below, what would be the amino acid sequence for the strand of mRNA that follows:

(1 point)
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CUC AAA CGU
Response area Response area Response area

Answer 1

Here are the answers to your questions:

Question 1: What is DNA?
Answer: A molecule that carries genetic information

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Question 2: Complete the following statement. In DNA, A pairs with ____, and C pairs with ____.
Answer: A pairs with T, and C pairs with G.

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Question 3: Which of the following is a key difference between DNA and RNA?
Answer: DNA contains thymine, while RNA contains uracil

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Question 4: Which of the following is NOT a part of a nucleotide?
Answer: Amino acid

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Question 5: What is the mRNA complementary strand for the following DNA strand: ACC GTT AAT?
Answer: UGG CAA UUA

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Question 6: What is transcription?
Answer: The process of copying DNA into mRNA

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Question 7: What is protein synthesis?
Answer: The process of creating proteins

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Question 8: Which structure is responsible for protein synthesis?
Answer: Ribosome

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Question 9: What is the primary role of transfer RNA (tRNA) in protein synthesis?
Answer: Carrying amino acids to the ribosome

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Question 10: Using the figure below, what would be the amino acid sequence for the strand of mRNA that follows: CUC AAA CGU?
To convert the mRNA into an amino acid sequence, we typically use a codon chart. The corresponding amino acids for the mRNA codons are:

• CUC → Leucine (Leu)
• AAA → Lysine (Lys)
• CGU → Arginine (Arg)

Answer: Leu, Lys, Arg

Feel free to ask if you have more questions!