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Q 1/25
Score 0
Which of the following best describes the flow of information in a cell?
30
DNA ---> mRNA ---> protein
mRNA ---> DNA ---> tRNA
protein ---> DNA ---> mRNA
tRNA ---> mRNA --->protein
Q 2/25
Score 0
What is the end result of translation of protein synthesis?
30
mRNA is divided into 3 parts
lipids are made from glycolysis and fermentation
RNA is made from DNA nucleotides
proteins are synthesized from amino acids
25 questions
Q.
Which of the following best describes the flow of information in a cell?
1
30 sec
Q.
What is the end result of translation of protein synthesis?
2
30 sec
Q.
Refer to the following processes to answer this question: I. Transcription II. Translation III. Replication. Occurs in the nucleus of eukaryotic cells.
3
30 sec
Q.
Refer to the following processes to answer this question: I. Transcription II. Translation III. Replication. Doubles the amount of DNA
4
30 sec
Q.
Refer to the following processes to answer this question: I. Transcription II. Translation III. Replication. Occurs in the cytoplasm of eukaryotic cells
5
30 sec
Q.
Refer to the following processes to answer this question: I. Transcription II. Translation III. Replication. Occurs in the cytoplasm of prokaryotic cells.
6
30 sec
Q.
If there was a change in the DNA sequence, this occurrence would be called __________.
7
30 sec
Q.
Which of the following would be an end product of the process of transcription?
8
30 sec
Q.
Which nitrogenous base can pair with two other nitrogenous bases?
9
30 sec
Q.
The bases of DNA include
10
30 sec
Q.
DNA sequence: TATGCCGGGAAAATT -- Use the amino acid chart to answer the following question. Which of the following is the correct sequence of amino acids coded by the DNA strand?
11
30 sec
Q.
Use the amino acid chart to answer this question. Which of the following is coded for by the DNA sequence ATT?
12
30 sec
Q.
Use the amino acid chart to answer this question. All the following mRNA sequences code for argenine (arg) EXCEPT
13
30 sec
Q.
The start codon is
14
30 sec
Q.
DNA controls the traits of an organism through the arrangements of its
15
30 sec
Q.
What type of bonding occurs between the nitrogenous bases?
16
30 sec
Q.
What type of bonding occurs between the amino acids of a protein chain?
17
30 sec
Q.
What combines with sugar and a phosphate group to form a nucleotide?
18
30 sec
Q.
DNA and RNA have many structural similarities. Which structure in DNA and RNA is similar?
19
30 sec
Q.
Use the codon chart to answer the following question. The mRNA sequence ACU codes for the amino acid Thr. a mutation occurs, and the resulting mRNA sequence is AUU. What amino acid will replace Thr?
20
30 sec
Q.
Use the codon chart to answer the following question. What is the RNA sequence for a section of protein composed fo Val-Glu-Ser?
21
30 sec
Q.
The DNA of a certain organism had guanine 30 percent of its bases. What percentage of its bases would be adenine?
22
30 sec
Q.
Based on the study below, what did scientists conclude about the DNA composition of all organisms?
23
30 sec
Q.
What was the conclusion of the Hershey-Chase experiments?
24
30 sec
Q.
The question below consists of five lettered answers followed by a list of numered phrases or sentences. For each numbered phrase or sentence select the one answer that is most closely related to it and choose the corresponding letter. Which letter represents the messenger RNA (mRNA)?
