Exam #1
Nonpolar bonds share electrons in this manner.
Equally.
The lipids of the cell membrane have this quality due to their polar heads and non-polar tails.
Ampithatic.
Adenylyl Cyclase turns ____ into ____.
ATP into cAMP.
Crossing over occur between what?
Between non-sister chromatids.
For a mutation to not pass off to offspring, what type of cell must it take place in?
Somatic cells.
This organelle’s function is to degrade molecules in a highly acidic environment.
Lysosome.
The amino acid and codon that initiates the start of translation.
Methionine, AUG.
Allosteric inhibition requires inhibitors to bind to what site of the enzyme?
Allosteric site.
What would happen if chromosomes didn’t condense during Prophase of mitosis.
The pieces of the chromosomes will break.
What causes a frameshift mutation?
Anions and Cations result from this type of bond formation.
Ionic Bonds.
Two organelles involved in protein synthesis.
Ribosomes and Rough Endoplasmic Reticulum.
T/F: There is only one origin of replication in a replication fork.
False.
What would occur if the cytokinesis process was inhibited in a cell that had just successfully completed telophase?
A cell with two nucleus.
What repair mechanism is a segment of the DNA molecule removed in order to fix multiple incorrect nucleotides?
Nucleotide excision repair.
Pickling solution is an example of this type of solution.
Hypertonic.
Translate this mRNA strand into an polypeptide strand:
3’ ACUACGACAACC 5’
Thr, Thr, Thr, Thr.
The epithelium of the bladder would include large amounts of these cell structures.
Tight junctions.
What is the correct ploidy for a Haploid and a Diploid cell?
Haploid = 1n.
Diploid = 2n.
Normal hemoglobin is the dominant autosomal allele (Bb, BB) while the sickle cell is homozygous recessive (bb). If the offspring has a 50% chance of getting sickle cell anemia, what might be the possible genotypes of the parents?
Bb, bb.
List the 6 steps of the scientific process.
What are the three kinds of bonds that are formed within tertiary structures?
Ionic bonds, Disulfide bonds, and Hydrogen bonds.
What is the correct RNA primer sequences (for 6 nucleotides) for the DNA strand below?
5’ - ATCTGAAT........TATGGCATCG - 3’
5’ - CGAUGC - 3
During the early development of Drosophila, embryos duplicate their DNA right after telophase. What phase of the cell cycle do Drosophilia skip?
G1 Phase.
A mutation causes the replacement of the amino acid glutamate. What amino acid change would not cause a significant change in this mutation?
Aspartate.