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What is DNA?(1 point)

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 molecule that carries genetic information
A molecule that carries genetic information

A type of protein found in cells
A type of protein found in cells
Question 2
Which of the following accurately represents the base pairing in DNA?(1 point)
Responses

Adenine pairs with Thymine; Cytosine pairs with Guanine
Adenine pairs with Thymine; Cytosine pairs with Guanine

Adenine pairs with Uracil; Cytosine pairs with Guanine
Adenine pairs with Uracil; Cytosine pairs with Guanine

Adenine pairs with Guanine; Cytosine pairs with Thymine
Adenine pairs with Guanine; Cytosine pairs with Thymine

Adenine pairs with Cytosine; Guanine pairs with Thymine
Adenine pairs with Cytosine; Guanine pairs with Thymine
Question 3
How do the structures of DNA and RNA differ?(1 point)
Responses

DNA has a linear structure, while RNA is double-stranded.
DNA has a linear structure, while RNA is double-stranded.

DNA contains adenine, guanine, cytosine and uracil, while RNA contains adenine, guanine, cytosine, and thymine.
DNA contains adenine, guanine, cytosine and uracil, while RNA contains adenine, guanine, cytosine, and thymine.

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

DNA contains ribose, while RNA contains deoxyribose.
DNA contains ribose, while RNA contains deoxyribose.
Question 4
What is the mRNA complementary strand for the following DNA strand: ACC GTT AAT(1 point)
Responses

UGG CAA UUA
UGG CAA UUA

CAA UGG CCG
CAA UGG CCG

ACC GTT AAT
ACC GTT AAT

TGG CAA TTA
TGG CAA TTA
Question 5
In eukaryotic cells, where does transcription primarily occur?



(1 point)
Responses

Cytoplasm
Cytoplasm

Nucleus
Nucleus

Mitochondria
Mitochondria

Ribosomes
Ribosomes
Question 6
What is protein synthesis?(1 point)
Responses

The process of creating proteins
The process of creating proteins

The process of replicating DNA to produce identical copies
The process of replicating DNA to produce identical copies

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

The process of breaking down proteins into amino acids
The process of breaking down proteins into amino acids
Question 7
During translation, which cellular structure reads the mRNA codons and assembles the corresponding amino acids into a polypeptide chain?(1 point)
Responses

Golgi apparatus
Golgi apparatus

Nucleus
Nucleus

Endoplasmic reticulum
Endoplasmic reticulum

Ribosome
Ribosome
Question 8
Each tRNA molecule has a special three-nucleotide sequence called an anticodon. What is the primary function of the anticodon? (1 point)
Responses

It determines the order in which amino acids are linked.
It determines the order in which amino acids are linked.

It activates the amino acid carried by the tRNA.
It activates the amino acid carried by the tRNA.

It binds to a specific complementary sequence on the mRNA (codon)
It binds to a specific complementary sequence on the mRNA (codon)

It signals the ribosome to release the completed protein.
It signals the ribosome to release the completed protein.
Question 9
Using the figure below, what would be the amino acid sequence for the strand of mRNA that follows:

(1 point)
Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
CUC AAA CGU
Response area Response area Response area


IleAsnGluTrpLeuThrProTyrCysPheAlaMetHisLysAspStopSerGlnGlyArgVal
Question 10
Using the figure above (used for previous question), what would be the codon sequence for the following amino acid sequence:

Gly-Thr-Phe

(1 point)
Responses

GUU-UUC-GGC
GUU-UUC-GGC

GGC-ACC-UUC
GGC-ACC-UUC

CAU-CAA-AGU
CAU-CAA-AGU

AUG-ACC-UGA

1 answer

Here are the answers to your questions:

  1. What is DNA?

    • Answer: A molecule that carries genetic information

  2. Which of the following accurately represents the base pairing in DNA?

    • Answer: Adenine pairs with Thymine; Cytosine pairs with Guanine

  3. How do the structures of DNA and RNA differ?

    • Answer: DNA has a double helix structure, while RNA is a single stranded structure.

  4. What is the mRNA complementary strand for the following DNA strand: ACC GTT AAT

    • Answer: UGG CAA UUA

  5. In eukaryotic cells, where does transcription primarily occur?

    • Answer: Nucleus

  6. What is protein synthesis?

    • Answer: The process of creating proteins

  7. During translation, which cellular structure reads the mRNA codons and assembles the corresponding amino acids into a polypeptide chain?

    • Answer: Ribosome

  8. Each tRNA molecule has a special three-nucleotide sequence called an anticodon. What is the primary function of the anticodon?

    • Answer: It binds to a specific complementary sequence on the mRNA (codon)

  9. What would be the amino acid sequence for the strand of mRNA that follows: CUC AAA CGU?

    • Answer: Leu Lys Arg (Given that you provided a set of amino acids in the prompt.)

  10. What would be the codon sequence for the following amino acid sequence: Gly-Thr-Phe?

    • Answer: GGC-ACC-UUC

Feel free to ask if you need further clarification or additional questions!