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MCB 2010 (IRSC) Test 3 Questions with 100% Actual correct answers | verified | latest update | Graded A+ | Already Passed | Complete Solution $7.99   Add to cart

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MCB 2010 (IRSC) Test 3 Questions with 100% Actual correct answers | verified | latest update | Graded A+ | Already Passed | Complete Solution

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MCB 2010 (IRSC) Test 3 Questions with 100% Actual correct answers | verified | latest update | Graded A+ | Already Passed | Complete Solution

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  • June 19, 2024
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MCB 2010 (IRSC) Test 3
coccus - ANS-round

coccobacillus - ANS-elongated round or short rod

bacillus - ANS-round

spirillium - ANS-stiff spiral

spirochete - ANS-flexible spiral

pleomorphic - ANS-many shapes

Reproduction of prokaryotes - ANS-all reproduce asexually
binary fission
snapping division
budding
viviparity

binary fission - ANS-cell replicates DNA, cytoplasmic membrane elongates, cross walls
form, cell separates into daughter cells

budding - ANS-cell replicates DNA, cell elongates to form a bud, the expanding
cytoplasmic membrane carries one attached DNA molecule into the bud, young bud,
daughter cell

snapping division - ANS-the outer wall breaks at its weakest point with a snapping
movement that tears it most of the way around. The daughter cells then remain hanging
together, held at an angle by a small remnant of the original outer wall that acts like a
hinge.

viviparity - ANS-live offspring emerge from the body of the dead mother cell

archaea - ANS-lack peptidoglycan
not known to cause disease in humans or animals

Clostridia - ANS-produce toxins that cause diseases in humans
endospores survive harsh conditions

, Mycoplasma - ANS-facultative or obligate anaerobes
lack cell walls
smallest free-living cells

Bacillus - ANS-endospore forming
toxins

Listeria - ANS-contaminates milk and meat products
capable of reproducing under refrigeration

In pregnant woman, what can kill the fetus if it crosses the placenta? - ANS-listeria

lactobacillus - ANS-normal flora can grow in the human moth, stomach, intestinal tract,
and vagina

streptococcus and enterococcus - ANS-cause numerous diseases

staphylococcus - ANS-one of the most common inhabitants of humans
Produces toxins and enzymes that contribute to disease
Some people are carriers meaning they have it but don't get sick

Mycobacterium - ANS-Slow growth, partly due to mycolic acid in its cell walls
Some species are pathogens of animals and humans

Alphaproteobacteria - ANS-are nitrogen fixers or nitrifying bacteria

Rhizobium - ANS-is agricultural

Betaproteobacteria - ANS-- Neisseria (gonorrhea, meningitis), Bordetella (whooping
cough/Pertussis), Burkholderia

Gammaproteobacteria - ANS-Pseudomonads (lung infections, burns, wounds)

Epsilonproteobacteria - ANS-Campylobacter Causes blood poisoning and intestinal
inflammation
Helicobacter Causes ulcers

Chlamydias - ANS-Grow intracellularly
Most common sexually transmitted bacteria in the United States

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