PLEASE answer ALL THE QUESTIONS. DO NOT ANSWER IF YOU CANT ANSWER ALL OF IT.
3'- GGCCTTAAGCATGCATGCAT -5'
5'- CCGGAATTC(G)TACGTACGTA -3'
1. If a replication fork is moving from right to left along this DNA structure, which strand is the lagging strand template?
a) not enough information is provided
b) top strand
2. Which of the following occurs during Metaphase I of meiotic cell division?
a) Tetrads composed of homologous chromosomes line up at the center of the cell
b) homologous chromosomes separate
c) sister chromatid pairs line up at the center of the cell
d) non-sister chromatids exchange regions of DNA
3. A gerbil is a diploid organism with 58 chromosomes. Which of the following is true?
a) a gerbil cell in G2 phase has 58 chromosomes and 116 sister chromatids
b) a gerbil cell in Prophase has 58 chromosomes and 58 sister chromatid
c) a gerbil cell in Metaphase has 58 chromosomes and 58 sister chromatid
4. At the end of elongation and during the termination of replication on the leading strand, place the following events in the correct chronological order.
I. DNA pol I synthesizes DNA
II. DNA ligase seals the nicks in the daughter DNA
III. DNA pol I removes the RNA primers
IV. DNA pol III synthesizes DNA
a) IV-III-I-II
b)I-III-IV-II
c) III-I-II-IV
5. A gene for hair color (brown vs. blond) and a gene for finger length (long vs. short) are found on two different chromosomes. If a blond haired, long fingered mother is homozygous for hair color and homozygous for finger length, what is the probability that she passes along the preference for her son to have blond hair and long fingers?
a) 0%
v) 100%
c) 25%
6. For oxytocin signaling between two neurons, what is the correct order of events?
I. an oxytocin vessicle fuses with the plasma membrane
II. an oxytocin vessicle docks with plasma membrane
III. oxytocin molecules bind to the oxytocin receptor at the plasma membrane of the receiving neuron
IV. oxytocin molecules diffuse into the synapse
a) I-III-II-IV
b) II-I-IV-III
c) I-II-III-IV
7. The independent assortment of chromosomes is due to events that occur during ______.
a) meiosis I only
b) meiosis II only
c) mitosis and meiosis II
PLEASE answer ALL THE QUESTIONS. DO NOT ANSWER IF YOU CANT ANSWER ALL OF IT.
3'- GGCCTTAAGCATGCATGCAT -5'
5'- CCGGAATTC(G)TACGTACGTA -3'
1. If a replication fork is moving from right to left along this DNA structure, which strand is the lagging strand template?
a) not enough information is provided
b) top strand
2. Which of the following occurs during Metaphase I of meiotic cell division?
a) Tetrads composed of homologous chromosomes line up at the center of the cell
b) homologous chromosomes separate
c) sister chromatid pairs line up at the center of the cell
d) non-sister chromatids exchange regions of DNA
3. A gerbil is a diploid organism with 58 chromosomes. Which of the following is true?
a) a gerbil cell in G2 phase has 58 chromosomes and 116 sister chromatids
b) a gerbil cell in Prophase has 58 chromosomes and 58 sister chromatid
c) a gerbil cell in Metaphase has 58 chromosomes and 58 sister chromatid
4. At the end of elongation and during the termination of replication on the leading strand, place the following events in the correct chronological order.
I. DNA pol I synthesizes DNA
II. DNA ligase seals the nicks in the daughter DNA
III. DNA pol I removes the RNA primers
IV. DNA pol III synthesizes DNA
a) IV-III-I-II
b)I-III-IV-II
c) III-I-II-IV
5. A gene for hair color (brown vs. blond) and a gene for finger length (long vs. short) are found on two different chromosomes. If a blond haired, long fingered mother is homozygous for hair color and homozygous for finger length, what is the probability that she passes along the preference for her son to have blond hair and long fingers?
a) 0%
v) 100%
c) 25%
6. For oxytocin signaling between two neurons, what is the correct order of events?
I. an oxytocin vessicle fuses with the plasma membrane
II. an oxytocin vessicle docks with plasma membrane
III. oxytocin molecules bind to the oxytocin receptor at the plasma membrane of the receiving neuron
IV. oxytocin molecules diffuse into the synapse
a) I-III-II-IV
b) II-I-IV-III
c) I-II-III-IV
7. The independent assortment of chromosomes is due to events that occur during ______.
a) meiosis I only
b) meiosis II only
c) mitosis and meiosis II
