Biology, 19.12.2019 03:31 allieeastridge

Dioxin, produced as a by-product of various industrial chemical processes, is suspected of contributing to the development of cancer and birth defects in animals and humans. it apparently acts by entering cells by simple diffusion and binding to proteins in the cytoplasm, then altering the pattern of gene expression. which of the following are likely to be the cytoplasmic proteins to which dioxin binds? a. nucleosomes
b. dna polymerases
c. enhancers
d. transcription factors
e. growth factor receptors

Answers: 1

Show answers

Another question on Biology

Biology, 22.06.2019 07:50

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers

Answers: 3

Answer

Biology, 22.06.2019 08:00

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4

Answers: 2

Answer

Biology, 22.06.2019 12:30

Due tonight 10 points will mark brain

Answers: 1

Answer

Biology, 22.06.2019 12:40

Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.

Answers: 1

Answer

You know the right answer?

Dioxin, produced as a by-product of various industrial chemical processes, is suspected of contribut...

Questions