Protein Synthesis/Meiosis Review
Quiz by Jaclyn Robbins
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A scientist is purifying a nucleic acid from a species of bacteria. During the process, a preparation is obtained that contains only four molecules. Some components of these molecules are listed in this table. Which of the four molecules is the mRNA, based on the table below?
29molecule 1
molecule 2
molecule 4
molecule 3
- Q1
A scientist is purifying a nucleic acid from a species of bacteria. During the process, a preparation is obtained that contains only four molecules. Some components of these molecules are listed in this table. Which of the four molecules is the mRNA, based on the table below?
molecule 1
molecule 2
molecule 4
molecule 3
30s - Q2
Which number represents mRNA?
1
4
3
2
30s - Q3
What process is represented by this image?
protein synthesis
transcription
translation
DNA replication
30s - Q4
Structure number 5 represents a(n)
codon sequence
mRNA strand
amino acid
DNA strand
30s - Q5
What mRNA sequence does the following DNA sequence produce?
DNA: ATG CGC AAT
UAC GCG UUA
tyrosine-alanine-leucine
methionine-arginine-asparagine
AUG CGC AAU
30s - Q6
What amino acid sequence does the following DNA sequence produce?
DNA: CAG GGT CGC
GUC CCA GCG
CAG GGU CGC
glutamine-glycine-arginine
valine-proline-alanine
30s - Q7
During transcription, what does mRNA do?
It strings together two complementary DNA strands.
It constructs proteins out of random amino acids.
It delivers DNA’s instructions for making proteins.
It strings together two complementary RNA strands.
30s - Q8
In humans, where does the process of translation take place?
mitochondria
ribosome
vacuole
nucleus
30s - Q9
This bat is eating a watermelon. This statement is defined as a(n)
inference.
observation.
30s - Q10
Which of the following items does the sequence of, in a DNA molecule, determine the protein that will be produced?
sugars
proteins
nucleotides
lipids
30s - Q11
What would happen to the amino acid peptide chain, as a result of an insertion mutation?
RNA will stop undergoing translation.
The sequence will code for a different amino acid.
The protein will no longer contain amino acids.
The original DNA strand will become complementary.
30s - Q12
What determines how proteins are created?
sequence and size
sequence and length
size and shape
sequence and shape
30s - Q13
A starfish contains 36 total chromosomes in its somatic (body) cells. What is the total number of chromosomes in a cell of a starfish at the end of Meiosis I?
36
144
72
18
30s - Q14
Which statement below BEST summarizes the role of the DNA molecule in cells?
guides cell division
provides the instructions for making proteins
regulates the chemical processes that provide the cell with energy
protects cells from infection
30s - Q15
Which event takes place during the phase that is shown in the cell pictured?
nuclear membrane breaks down
cytoplasm divides
sister chromatids line up in center of cell
homologous chromosomes line up in center of cell
30s
