Biology 9700
Authored by Lijoy Mathew
Biology
11th Grade
Used 101+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The genetic code table shows the amino acids that correspond to mRNA codons. Each codon is read from 3' (first nucleotide) to 5' (third nucleotide). A DNA template strand is shown. Which amino acid sequence will be assembled from the mRNA associated with this strand?
DNA template strand: 5'-GCG ACA TAC ACT-3'
Ala-Cys-Met
Arg-Cys-Met
Ala-Thr-Tyr-Thr
Ala-Thr-Tyr-Trp
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An original cell replicates its DNA. The cell undergoes mitosis and cell division, and one of the daughter cells replicates its DNA. Which of these BEST describes the DNA of the second-generation daughter cells?
A. One of the cells will contain DNA consisting of one strand from the original cell.
B. One of the cells will contain DNA consisting of two strands from the original cell.
C. Both of the cells will contain DNA consisting of one strand from the original cell.
D. Neither of the cells will contain DNA consisting of strands from the original cell.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The partial sequence of a single DNA strand is shown. What will be the sequence of the complementary strand produced during DNA replication?
3'-ATGCTGAACT-5'
A. 5'-ATGCTGAACT-3'
B. 5'-CGTAGTCCAG-3'
C. 5'-GACCTGATGC-3'
D. 5'-TACGACTTGA-3'
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of these labels matches the structure of the partial RNA strand shown?
A. I. phosphate; II. ribose; III. nitrogen base
B. I. phosphate; II. nitrogen base; III. ribose
C. I. nitrogen base; II. phosphate; III. ribose
D. I. ribose; II. nitrogen base; III. phosphate
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A plant cell is placed in a hypotonic solution. As a result, the cell will
A. lyse
B. swell but remain intact
C. shrivel
D. remain unchanged
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A solute cannot move into a cell by crossing the phospholipid bilayer of the membrane. It can, however, enter through a membrane protein. The fact that solute molecules are entering the cell MOST LIKELY indicates that
A. energy is being expended by the cell
B. the solute is moving against its concentration gradient
C. the solute molecules are hydrophilic
D. the cell is in a hypotonic solution
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How can a water molecule BEST be described?
I. It is nonpolar.
II. It has an equal electron distribution.
III. It is able to form hydrogen bonds.
A. I only
B. II only
C. III only
D. I and II
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