Biology, 20.02.2020 08:00 payshencec21
Crick et al found that not all combinations of (+) and (-) frameshift mutations results in suppression and an rII+ phenotype. Which of the following is a possible explanation of why some +/- combinations do not work. Select one: a. A stop codon is located between the (+) and (-) frameshift mutations. b. A necessary part of the protein is encoded by the region of the gene located between the (+) and (-) frameshift mutations. c. Not all combinations of (+) and (-) frameshift mutations puts the ribosome back into the original reading frame. d. Two of the above explanations are correct. e. All of the first three explanations are correct.
Answers: 2
Biology, 21.06.2019 18:20
You have a solution that contains phospholipid vesicles in a test tube. these vesicles have phospholipid bilayers, but do not contain any membrane transporters. you add a number of different molecules to the solution, and wait a period of time for them to equilibrate. if you could measure the concentration of each molecule, for which of the following would you expect to measure equal concentrations inside and outside of the vesicles? assume for this question that the overall osmolarity inside and outside the vesicles is the same (that is, there is no appreciable diffusion of water across the membrane). (select two answers) an amino acid with a hydrophobic side-chain a small non-polar molecule a negatively charged ion a small polar molecule a small lipid hormone
Answers: 2
Biology, 21.06.2019 22:00
Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth
Answers: 2
Biology, 22.06.2019 03:30
Awire-hair terrier and a smooth-hair terrier are mated. the offspring produced are 6 wire-hair puppies and 2 smooth-hair puppies. a. what pattern of inheritance best describes this situation? b. what is the genotype(s) of the wire-haired puppies? of the smooth-haired puppies? c. what would be the expected genotype and phenotype ratios of a mating between 2 wire-haired terriers that are heterozygous?
Answers: 3
Crick et al found that not all combinations of (+) and (-) frameshift mutations results in suppressi...
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