MCB Final Exam Questions With Correct
Answers
Cells like bacteria & archaea, that do NOT have a nucleus - answerProkaryote
Which characteristic of viruses that distinguishes them from other microorganisms? -
answerLack cell structure
organic chemicals always have a basic framework of the eleme...
Cells like bacteria & archaea, that do NOT have a nucleus - answer✔Prokaryote
Which characteristic of viruses that distinguishes them from other microorganisms? -
answer✔Lack cell structure
organic chemicals always have a basic framework of the element ____ bond to other atoms? -
answer✔Carbon
Most biochemical macromolecules are polymers, which are chains of? - answer✔Repeating
monomers
All are lipids, except? - answer✔Starch
A fat is ___ if all carbons of the fatty acid are single bonded to two other Cs & two Hs -
answer✔Saturated
Which is NOT true about enzymes? - answer✔they have high energy bonds between phosphates
Which features listed below is not found in ALL cells? - answer✔Nucleus
Chemotaxis refers to the ability to? - answer✔move in response to a chemical
which structure protects bacteria from being phagocytize by white blood cells? -
answer✔Capsule
Peptidoglycan is a unique macromolecule found in bacterial? - answer✔Cell walls
The site for most ATP synthesis in bacterial cells is the? - answer✔cell membrane
The most immediate result of destruction of a cells ribosome would be? - answer✔Protein
synthesis would stop
The bacterial chromosome...? - answer✔Is part of the nucleoid
The function of bacterial endospore is? - answer✔protection of genetic material during harsh
conditions
A chain of rod shaped cells would be called? - answer✔streptobacillus
Lipopolysaccharide is an important cell wall component of? - answer✔Gram negative bacteria
A species make offspring when mated with another in same species bacterial species are not b/c?
- answer✔All correct
Yeast - answer✔Dimorphic
Long threadlike branching cells of molds are called? - answer✔Hyphae
The motile feeding stage of protozoa is called? - answer✔Trophozoite
All of the following are helminths except? - answer✔Trypanosomes
Fungal spores differ from bacterial endospores in that? - answer✔Fungal spores are
reproductive; Bacterial endospores are for survival
Viruses have all of the following except? - answer✔Metabolism
Virus capsids are made from subunits called? - answer✔Capsomeres
A ____ is the protein shell around the nucleic acid core of a virus? - answer✔Capsid
All of the following pertain to virus envelopes except? - answer✔are located between the capsid
and nucleic acid
Viral spikes? - answer✔Protrude from the envelope
Viruses acquire envelopes around their nucleocapsids during? - answer✔Release
DNA viruses multiply in the host cell's ____ while most RNA multiply is the ____? -
answer✔Nucleus; Cytoplasm
Viruses attach to their hosts via? - answer✔Host glycoproteins
Mammalian viruses capable of starting tumors are? - answer✔oncoviruses
Viruses that infect bacteria are specifically called? - answer✔Viroids
During lysogeny, an inactive prophage state occurs when the viral DNA is inserted into? -
answer✔Host DNA
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