For the following, choose which one of the following statements is FALSE: The Bcl2 family of proteins…
(a) can stimulate apoptosis.
(b) can inhibit apoptosis.
(c) are extracellular signaling proteins.
(d) are intracellular proteins in a pathway.
Solution
Option C is false.
For the following, choose which one of the following statements is FALSE: The Bcl2 family of...
Which of the following are ways that extracellular survival factors apoptosis? Stimulate Bad phosphorylation Stimulate activation of BH3 Stimulate antMAP phosphorylation Stimulate transcription of Bcl2 family proteins
Which of the following statements about eukaryotic activator proteins is false? Choose one: A. They stimulate transcriptional initiation by opening up the double helix. * B. They stimulate transcription initiation by recruiting proteins that modify chromatin structure. C. They stimulate transcription initiation by aiding in the assembly of general transcription factors and RNA polymerase at the promoter. D. They stimulate transcription initiation by promoting the assembly of a transcription initiation complex at the promoter.
1- Which of the following statements about cholesterol regulation is false? A) Insulin stimulates the production of cholesterol. B) High intracellular cholesterol levels stimulate proteolysis of HMG-CoA reductase. C) High intracellular cholesterol levels inhibit the uptake of extracellular cholesterol. D) Glucagon stimulates the production of cholesterol. 2- Which statement is incorrect about the synthesis of fatty acids by fatty acid synthase in mammals? A) It uses FADH2 as a reductant of carbon-carbon double bonds. B) It uses NADPH as a...
Which of the following statements regarding secretory vesicles is FALSE? Choose all that apply. - Constitutive secretion is considered to be the 'default pathway' through the endomembrane system - Regulated secretion is considered to be the 'default pathway' through the endomembrane system - Proteins destined for secretory vesicles (for regulated secretion) often aggregate in the lumen of the TGN. - The lumen of secretory vesicles is generally less acidic than the lumen of the TGN from which they originate. -...
Which one of the following statements is false? A. rough endoplasmic reticulum (RER) does not contain ribosomes on its surface and is involved in phospholipid synthesis B. an organelle is a specialized structure with specific cellular functions C.the secretory pathway explains the movement of secretory proteins from the endoplasmic reticulum to the Golgi apparatus D. the signal sequence is cleaved by signal peptidase and released into the ER lumen E.signal recognition particles are composed of proteins and RNA that binds to signal sequences and targets...
or each of the following sentences, select the best word or phrase from the list below to fill in the blanks ot all words or phrases will be used; each word or phrase should be used only once 38. (3) An extracellular signal molecule can act to change a cell's behavior by acting through cell that control intracellular signaling proteins. These intracellular proteins that bring surface signaling proteins ultimately change the activity of about cell responses. Intracellular signaling proteins can...
Which one of the following statements is false after the Wrigley decision? Choose an answer and briefly explain a. There is a de minimis level of activity permitted beyond solicitation that will not create an income tax obligation. b. Providing company cars to sales personnel will be protected as solicitation. c. Recruiting and training sales representatives in state will receive P.L. 86-272 protection. d. Having trade shows in state will exceed the protection of P.L. 86-272.
QUESTION Which of the following is not a role of proteins in a signaling pathway? They phosphorylate GDP TO GTP. They act as switches to turn acties on and off They interact with GTP They interact with receptors and stimulate cellular activities
Which of the following statements about Medicare and Social Security are false? Choose one or more: A. Medicare and Social Security represent about 10% of total federal government spending. B. Medicare is a program that provides health care to the poor and to the elderly. C. Medicare and Social Security are mandatory outlays. D. Social Security and Medicare are social insurance programs. E. Spending on Medicare and Social Security has increased dramatically as the population has gotten older.
Which of the following statements is NOT correct? A. Glycoproteins can have the carbohydrates in either O-glycosidic bonds to Ser or Thr residues or in N-glycosidic bonds to Lys residues. B. Glycosylated proteins are generally either extracellular proteins or membrane proteins with the carbohydrate residues on the extracellular side of the membrane. C. Penicillin is a mechanism-based inhibitor of a transpeptidase required for bacterial cell wall synthesis. D. Proteoglycans are composed of core proteins with one or more attached glycosaminoglycans....