Frameshift mutations
A. applies to the reading frame (sequence of codons) being changed.
B. most often happen when one or more nucleotides are inserted or deleted from the DNA.
C. can result in a completely new codon sequence that results in the production of non-functional proteins.
D. All of the choices are correct.
Answer: D
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You are studying a new species of plant similar to Mendel's pea plants. You are specifically interested in two genes that are located on two different chromosomes. In this plant, the gene for height has two alleles, T (tall) and t (short)
The gene for leaf color has two alleles P (purple) and p (pink). What meiotic products do you expect from diploid cells that are homozyous for the tall allele and heterozygous for the purple allele? A. An equal number of Tp, tP, tp, and TP gametes B. An equal number of TP and Tp gametes C. An equal number of TP and tp gametes D. 2 TP gametes for every 1 Tp gamete
True or false: In the sequence AGGCCT, an available phosphate group would be found at the 5' end of the nucleotide labeled "T."
A. true B. false
Where would Toll-like receptors be synthesized in a phagocyte?
A. on the rough endoplasmic reticulum B. in the cytosol C. in the Golgi apparatus D. on the smooth endoplasmic reticulum
The most important outcome of polypeptide intrachain bonding and folding is the unique shape of the protein.
Answer the following statement true (T) or false (F)