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Which of the following describes the default route of exocytosis? a. Golgi to ER to plasma membrane b. Plasma membrane to golgi to ER c. Plasma membrane to ER to golgi d. ER to golgi to plasma membran
Write the number of chromosomes and amount of DNA (ng) present per cell at the end of Telophase II of meiosis (after cytokinesis).
As osmotic pressure increases, which of the following decreases? a)freezing point b)boiling point c) vapor pressure d) all of these increase.
Construct a hypothesis to explain what differences you might observe when comparing the karyotypes of human cells which experience normal cell cycle control versus cancerous cells ?
Question 1: What is a normal blood glucose level?Question 2: Suppose you were looking at a particular SNP in the genome where half the population had an adenine and the other half had a guanine. Is
What type of labeling pattern would you expect after in situ hybridization between mitotic chromosomes and labeledmyoglobin mRNA? Between the same chromosomes and labeled histone DNA?
Alleles on opposite ends of a chromosome are so likely to be separated by crossing over between themthat they segreagate independently. How would on eb e able to determine, using genetic crosses, th
RNA and DNA polymers both contain a. ‘OH b. 2'OH c. Uracil d. Thymine
Question 1: Why do cells which lack cell cycle control exhibit karyotypes which look physically different than cells with normal cell cycle. Question 2: What are HeLa cells?
Question 1: What is the ploidy of the DNA at the end of meiosis I? What about at the end of meiosis II? Question 2: What combinations of alleles could result from a crossover between BD and bd chromos
Blue whales have 44 chromosomes in every cell. Determine how many chromosomes you would expect to find in the following: i. Sperm Cell: ii. Egg Cell:
Question 1: Which developmental lobe is the largest on a permanent canine? Question 2: Propose an experiment to prove that kinesin transports oskar mRNA and dynein transports morphogens in Drosophila.
Question 1: Discuss the impact of stress on the immune system. Question 2: List and discuss at least two environmental risks for cancer, and at least two lifestyle risks that may lead to cancer in a
Question 1: Draw and annotate the experimental evidence for the Fluid Mosaic model of the plasma membrane Question 2: What properties of DNA's structure make it a better molecule for long-term stora
How were technological improvements important in development of the chromosomal theory of inheritance?a) Embryo injection enabled creation of numerous Drosophila mutants. b) More powerful microscopes
What is the chromosomal theory of inheritance? a) Each allele segregates independently when gametes form. b) The "heritable factors" of Mendel, which are genes or alleles, are located on the chromosom
Which of these sentences most accurately describes heterochromatin? a) It consists mainly of DNA being actively transcribed. b) It consists mainly of DNA being actively repressed. c) It consists mainl
Why do histones and DNA bind together? a) Histones are positively charged and the phosphate groups in the DNA backbone are negatively charged. b) Histones and the phosphate groups in the DNA backbone
How is the expression of genes controlled at the chromosomal level? a) DNA is spontaneously deleted from a chromosome if unneeded. b) DNA can either be condensed into heterochromatin or unwound into e
Question 1: Of what advantage is it for bacteria to import DNA from the environment and incorporate it into their chromosome? Question 2: Describe the mechanisms that facilitate the uptake of DNA from
Why can the body feedback system NOT sense and correct growth distortions due to growth hormone (GH)?
In vampires, the widow's peak hairline is caused by recessive trait coded for by a gene on the X-chromosome. In vampires, females are homozygous in their sex chromosome, while males are the heteroga
What happens to the molecules that make up life? Where do they come from and where do they end up? and what forms of energy does life use? How does energy flow in this system?
Question 1: Draw out the reaction (with structures and numbering) that adenylate kinase catalyzes and indicate whether it is spontaneous or not based on thermodynamic principles. Question 2: What is
Question 1: How do you perform a semi-alignment? what would you need? Question 2: What is a PAM matrix, and how is it different from the needleman-wunsch matrix?