Molecules for Cellular Communication and Signal Transduction

Question 1

list the metabolites that appear in more than 1 pathway

Answer 1

pyruvate, oxaloacetate, acetyl-coa

Question 2

what are the consistent links in metabolism? these occur in both light and dark rxns and anabolism and catabolism

Answer 2

atp and nadph

Question 3

type of cellular signaling wherein cells release signaling molecules that act on the same cells that produced them

Answer 3

autocrine

Question 4

list examples of cells that use autocrine signaling

Answer 4

t-cells, cancer cells

Question 5

type of cellular signaling wherein signaling molecules are secreted and act on nearby cells

Answer 5

paracrine

Question 6

type of cellular signaling wherein hormones are released in bloodstream to act on distant cells

Answer 6

endocrine

Question 7

list examples of cells that use paracrine signaling

Answer 7

growth factors, neurotransmitters

Question 8

true or false: serotonin is a polypeptide hormone

Answer 8

false: amine

Question 9

true or false: endorphin is a polypeptide hormone

Answer 9

true

Question 10

true or false: insulin is a polypeptide hormone

Answer 10

true

Question 11

true or false: catecholamines (EPI, NE) are protein hormones

Answer 11

false: amine

Question 12

true or false: growth hormones are protein hormones

Answer 12

true

Question 13

true or false: oxytocin is a peptide hormone

Answer 13

true