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What molecule stores the genetic instructions that determine an organism's traits, and codes for protein synthesis?(1 point)

Responses

DNA
DNA

Protein
Protein

RNA
RNA

Carbohydrate
Carbohydrate
Question 2
What is happening in translation?(1 point)
Responses

DNA is transferred from one organism to another
DNA is transferred from one organism to another

RNA is replicated
RNA is replicated

Lipids in cells are synthesized
Lipids in cells are synthesized

Information from mRNA is used to produce proteins
Information from mRNA is used to produce proteins
Question 3
Complete the sentence that follows, using the word bank provided.(2 points)
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.
DNA contains the nitrogenous base Response area, which is replaced by Response area in RNA.
Question 4
What is the function of mRNA in cells?(1 point)
Responses

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

Transcribing DNA sequences
Transcribing DNA sequences

Carrying genetic information from DNA to the ribosome
Carrying genetic information from DNA to the ribosome

Catalyzing biochemical reactions
Catalyzing biochemical reactions
Question 5
Use the codon chart below to determine the bases that will code for the amino acid Methionine (Met).

(1 point)
Uracil Cytosine Adenine Guanine
First Base

Second Base

Third Base

Question 6
Identify the mutations in the image below, using the word bank provided.(3 points)
Drop target 1
Drop target 2
Drop target 3
Question 7
Label the parts of DNA in the image below, using the word bank provided. The parts you will label are the blue, pink, and yellow structures only.(3 points)
Drop target 1
Drop target 2
Drop target 3
Question 8
Which type of chromosomal mutation involves a segment of a chromosome being reversed end to end?(1 point)
Responses

Translocation
Translocation

Deletion
Deletion

Inversion
Inversion

Duplication
Duplication
Question 9
What is DNA replication?(1 point)
Responses

The process of creating a new DNA molecule from an existing DNA molecule
The process of creating a new DNA molecule from an existing DNA molecule

The process of translating mRNA into proteins
The process of translating mRNA into proteins

The process of breaking down DNA into nucleotides
The process of breaking down DNA into nucleotides

The process of transcribing RNA from DNA
The process of transcribing RNA from DNA
Question 10

According to the codon chart above, what codon represents the amino acid Histidine (His)?

(1 point)
Responses

AAU
AAU

UUC
UUC

CAU
CAU

GGA
GGA
Question 11
Which type of RNA brings amino acids to the ribosome during protein synthesis?(1 point)
Responses

rRNA
rRNA

miRNA
miRNA

tRNA
tRNA

mRNA
mRNA
Question 12
What type of sugar is found in RNA nucleotides?(1 point)
Responses

Deoxyribose
Deoxyribose

Galactose
Galactose

Ribose
Ribose

Glucose
Glucose
Question 13
Complete the statement below.(1 point)
Genes contain the keys for constructing
Question 14
Give the complementary DNA strand for the following:

ATC GCT AAT

(1 point)
Responses

ATC GCT AAT
ATC GCT AAT

GCT ATC GGC
GCT ATC GGC

TAG CGA TTA
TAG CGA TTA

UAG CGA UUA
UAG CGA UUA
Question 15
Brown eyes (B) are dominant over blue eyes (b). Which of the following would be homozygous dominant for brown eyes?(1 point)
Responses

BB
BB

bb
bb

B
B

b
b
Question 16
Which is the complementary mRNA strand from the following DNA template?

TTC AGC

(1 point)
Responses

CCU GAU
CCU GAU

CCT GAT
CCT GAT

AAG TCG
AAG TCG

AAG UCG
AAG UCG
Question 17
In pea plants, tall plants (T) are dominant over short plants (t). If a heterozygous tall pea plant is crossed with a homozygous recessive short pea plant, what percentage of the offspring is expected to be tall.

(HINT: use a Punnett square to help you with this question)

(1 point)
Responses

0%
0%

75%
75%

50%
50%

25%
25%
Question 18
If a black chicken (BB) is crossed with a white chicken (WW) and incomplete dominance is observed, what are the expected phenotypes of the offspring?(1 point)
Responses

All gray
All gray

All red
All red

All black
All black

All white
All white
Question 19
In cattle, coat color is controlled by codominant alleles. A red-coated cow (RR) is crossed with a white-coated bull (WW). What are the expected phenotypes of the offspring?(1 point)
Responses

All pink coat
All pink coat

All red coat
All red coat

All white coat
All white coat

Red and white coat
Red and white coat
Question 20

Complete the mRNA sequence that will be formed from the DNA sequence below, then identify the amino acids using the codon chart provided above.

(6 points)
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.
TAC CGC CCC
mRNA Response area Response area Response area
Amino Acid Response area Response area Response area

1 answer

Here are the answers to your questions:

Question 1
What molecule stores the genetic instructions that determine an organism's traits, and codes for protein synthesis?
Answer: DNA

Question 2
What is happening in translation?
Answer: Information from mRNA is used to produce proteins

Question 3
Complete the sentence that follows, using the word bank provided.
DNA contains the nitrogenous base thymine, which is replaced by uracil in RNA.

Question 4
What is the function of mRNA in cells?
Answer: Carrying genetic information from DNA to the ribosome

Question 5
Use the codon chart below to determine the bases that will code for the amino acid Methionine (Met).
Answer:
First Base: AUG (Methionine is coded by the specific codon AUG)

Question 6
Identify the mutations in the image below, using the word bank provided.
(Note: This will require context from an image that isn’t provided here.)

Question 7
Label the parts of DNA in the image below, using the word bank provided. (Note: This will require context from an image that isn’t provided here.)

Question 8
Which type of chromosomal mutation involves a segment of a chromosome being reversed end to end?
Answer: Inversion

Question 9
What is DNA replication?
Answer: The process of creating a new DNA molecule from an existing DNA molecule

Question 10
According to the codon chart above, what codon represents the amino acid Histidine (His)?
Answer: CAU

Question 11
Which type of RNA brings amino acids to the ribosome during protein synthesis?
Answer: tRNA

Question 12
What type of sugar is found in RNA nucleotides?
Answer: Ribose

Question 13
Complete the statement below.
Genes contain the keys for constructing proteins.

Question 14
Give the complementary DNA strand for the following: ATC GCT AAT
Answer: TAG CGA TTA

Question 15
Brown eyes (B) are dominant over blue eyes (b). Which of the following would be homozygous dominant for brown eyes?
Answer: BB

Question 16
Which is the complementary mRNA strand from the following DNA template?
TTC AGC
Answer: AAG UCG

Question 17
In pea plants, tall plants (T) are dominant over short plants (t). If a heterozygous tall pea plant is crossed with a homozygous recessive short pea plant, what percentage of the offspring is expected to be tall?
Answer: 50%

Question 18
If a black chicken (BB) is crossed with a white chicken (WW) and incomplete dominance is observed, what are the expected phenotypes of the offspring?
Answer: All gray

Question 19
In cattle, coat color is controlled by codominant alleles. A red-coated cow (RR) is crossed with a white-coated bull (WW). What are the expected phenotypes of the offspring?
Answer: Red and white coat

Question 20
Complete the mRNA sequence that will be formed from the DNA sequence below, then identify the amino acids using the codon chart provided above.
DNA Sequence: TAC CGC CCC
mRNA: AUG CGC GGG
Amino Acid: Methionine (Met) Arginine (Arg) Glycine (Gly)

If you need further clarification on any of these answers, feel free to ask!