In asexual reproduction, new combinations of genes arise by
a. mutation.
b. random segregation of chromosomes into gametes.
c. random assortment of gametes.
d. crossing over.
e. new combinations of genes do not occur.
a
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Which of the following enzymes is a component of the large ribosomal subunit and catalyzes the formation of peptide bonds between an amino acid attached to a peptidyl-tRNA and an amino acid from an aminoacyl-tRNA?
A) Reverse transcriptase B) DNA polymerase C) Peptidyl transferase D) DNA ligase E) ?-galactosidase
You have been asked to design a synthetic DNA motif, able to bind transcriptional regulatory proteins. The location on this motif that you will design for protein binding is the
A. minor groove of the DNA double helix. B. major groove of the DNA double helix. C. phosphate backbone of the DNA double helix. D. sugar backbone of the DNA double helix. E. available hydrogen-bonds of bases in single-stranded DNA. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about transcriptional regulatory proteins? Consider Possibilities · Consider the different answer options. Which can you rule out? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
What are the risk factors associated with IVF? a. Multiple births b. All of these choices are risk factors
c. There are no risks associated with IVF. d. Premature births e. Miscarriage
The figure shown above is of what kind of
tissue? a. blood b. adipose c. bone d. cartilage e. dense connective