Biology, 24.08.2019 06:00 sarabell9080

When a ligand attaches to a receptor, which of the following occurs first? (consider a ligand to be a hormone or a cell messenger)
a) there is a change in shape of the ligand which causes the signaling cascade
b) there is a change in shape of the receptor which triggers the stopping of the signaling cascade
c) there is a change in shape of the receptor which triggers the beginning of the signaling cascade
d) there is a change in shape of the receptor which causes the ligand to be released

Answers: 1

Show answers

Other questions on the subject: Biology

Biology, 21.06.2019 19:10, 1Angel2Got3Brains

Which statement about inheritance is true? o girls get most of their traits from their moms, boys get most of their traits from their dads. o male offspring will always have an x-linked genetic disease if the mom is a carrier o fathers always determine the gender of the offspring in humans. o males never have y chromosomes.

Answers: 3

continue

Biology, 22.06.2019 14:30, kiwe595

Which statement is not an accurate description of meiosis? a) meiosis produces offspring that are genetically diverse. b) meiosis produces offspring that are identical to the parent. c) in sexual reproduction half of the genetic material comes from the father (sperm) and half of the genetic material comes from the mother (egg). d) meiosis decreases the number of chromosomes by half so that when a sperm fertilizes an egg, the resulting zygote has the correct number of chromosomes.

Answers: 1

continue

Biology, 22.06.2019 15:40, yourfreeshoppep3u91x

Which kind of mutation has occurred when the codon for an amino acid is changed to a stop codon? a. a silent mutation b. a missense mutation c. a frameshift mutation d. a nonsense mutation

Answers: 1

continue

Biology, 22.06.2019 23:20, allysongonzalezlove0

Male-patterned baldness is more common in males as the name suggest. why is this? a. the gene for baldness is on chromosome 5 b. the gene for baldness is on chromosome 1 c. the gene for baldness is on he x chromosome d. the gene for baldness is on the y chromosome

Answers: 2

continue

You know the right answer?

When a ligand attaches to a receptor, which of the following occurs first? (consider a ligand to be...