A vegetative cell is
A. a non-diving bacterial cell.
B. a frozen cell.
C. a bacterial cell with an impervious coating.
D. a metabolically active cell
Correct answer is D. a metabolically active cell
Because vegetative cells are the metabolically active cells and grows normally. These cells can form the endospores.
A vegetative cell is A. a non-diving bacterial cell. B. a frozen cell. C. a bacterial...
1. What component of a bacterial cell is injured by UV radiation? a. Cell wall b. Plasma membrane c. Ribosomes d. DNA Answer 2. Should everyone be sure to protect their eyes and skin from UV radiation? a. Yes b. No Answer 3. Which of the bacteria we are using in this lab is an endospore former? a. E. coli b. Bacills (cereus or subtilis) Answer 4. What is the purpose of using a 24 hour culture and 7 day...
Jerry is in a persistent vegetative state, kept alive through a respirator. He has a living will, which says that if Jerry is ever in a persistent vegetative state, the respirator should not be provided. However, the physician in charge believes that removal of the respirator is physician-assisted suicide. Is the physician correct? Why or why not? Select one: a. No, removal of the respirator is only passive euthanasia b. Yes, removal of the respirator is physician-assisted suicide c. Yes,...
Pasteurization a. involves heat b. reduces vegetative organisms c. is commonly used for liquid food products d. all of the above
b. a. d. Non-protein enzymes tha catalysts b. helicases Bacterial enzymes that are present in van exoenzymes constitutive apoenzymes coenzymes enzymes that act on ribonucleic acid to remove non-coding areas are called ribozymes RNA polymerases coenzymes cytochromes
The bacterial holoenzyme binds a. only to the template strand b. only to the non-template strand c. to both strands
By identifying the morphology of a bacterial cell, you have described an aspect of its a. phenotype b. genotype c. motility d. operon
Before lysis we added lysozyme to weaken the bacterial cell walls. back in chapter 6 we studied this enzyme as part of the lecture portion of the class. what was interesting about hen egg white lysozyme? a) it is unclear if it uses an SN1 or SN2 type mechanism, and the debate continues to this day b) it is only active below pH 7.2 because of a protonated histidine residue c) it was the first enzyme to have its primary...
4) Antibodies can inactivate by directly binding to them, but to harm an intact bacterial cell, antibodies bound to antigens on the cell must trigger the action of A) MHC proteins: macrophages B) APC's the complement system c) bacterial toxins; the complement system D) virally infected cells interferans E) viruses, MHC proteins
1. Placing a Gram positive bacterial cell in a hypotonic environment will most likely A. swell and lyse the cell. B. shrink and shrivel the cell. C. swell but not lyse the cell. D. have no effect on the cell 2. Mutations to which of the following structure(s) will cause harm to a Gram positive cell? (Choose all that apply) A. Lipoteichoic Acids/Teichoic Acids B. Plasmid C. LPS D. Nucleoid E. Outer Membrane
1Plants can create new organs.................................................................. at seedling stage at vegetative stage at spring time at summer time all of the above 2.One of the compound below is NOT a primary product of photosynthesis.... A. Starch B. Sucrose C. Triose phosphate D. Glucose E. Phosphoglyceric acid (PGA) 3.Which chemical groups from a pair of amino acids must react to form a peptide bond? A. the two R-groups or sidechains B. the two carboxyls C. the two alpha carbons D. the amino...