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MBI 111 Exam 2 Study Set (Abshire MiamiU) || with 100% Error-free Answers. £9.09   Add to cart

Exam (elaborations)

MBI 111 Exam 2 Study Set (Abshire MiamiU) || with 100% Error-free Answers.

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  • Module
  • MBI 111
  • Institution
  • MBI 111

bacteria and archaea correct answers single celled prokaryotes; DNA found in the cytoplasm; lack membrane organelles, no nucleus coccus correct answers spherical bacteria bacillus correct answers rod shaped bacteria vibrio correct answers comma shaped bacteria spirrilum correct answers ...

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  • September 17, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • MBI 111
  • MBI 111
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MBI 111 Exam 2 Study Set (Abshire MiamiU) || with 100%
Error-free Answers.
bacteria and archaea correct answers single celled prokaryotes; DNA found in the cytoplasm;
lack membrane organelles, no nucleus

coccus correct answers spherical bacteria

bacillus correct answers rod shaped bacteria

vibrio correct answers comma shaped bacteria

spirrilum correct answers loosely coiled bacteria

spirochete correct answers tightly coiled bacteria

cell envelope correct answers cell membrane and cell wall =

cell membrane correct answers selectively permeable barrier to the cell, regulates what can come
in and out

cell wall correct answers prevents bacterial cell rupture

peptidoglycan correct answers mesh-like, strong, flexible structure; helps with rupture
prevention; open so molecules can flow through

gram positive cell wall correct answers thick peptidoglycan layer, purple gram stain, has teichoic
and lipoteichoic acid & embedded proteins

gram negative cell wall correct answers thin peptidoglycan layer, red/pink gram stain, OUTER
MEMBRANE INCLUDED

outer membrane correct answers selectively permeable phospholipid bi-layer, selects who can
cross the outer membrane

Lippopolysaccharide correct answers lipid A endotoxin in gram negative cell walls

cytoplasm correct answers 70-80% water, results in thick solution of proteins, sugars, and fats

genetic material correct answers chromosomes and plasmids

chromosome correct answers 1 circular molecule of DNA

plasmids correct answers small circular DNA who carry genetic traits

, ribosomes correct answers makes proteins for the cell; 10000 in each cell

actin cytoskeleton correct answers Long fibers of actin and tubulin wrapped around the cell
under the cell membrane; provides extra support; found in baccillus, spirrulus and spirochete

flagella correct answers used for motility; rigid structures like propellers; pushes bacteria through
moist environments

axial filaments correct answers flagella between the cell wall and the cell membrane;
spirochetes; results in twisting movement of the whole cell

fimbriae correct answers used for attachment to host cells

pili correct answers gets bacteria together for DNA transfer

glycocalyx capsule correct answers sticky or slippery cell coat; virulence factors = helps prevent
attachment and engulfment or helps attach to surfaces

endospores correct answers highly durable bacterial DORMANT cell; enables survival of harsh
conditions

sporulation correct answers bacterial cell > endospore; triggered by unfavorable conditions

germination correct answers endospore > bacterial cell; triggered by favorable conditions

binary fission process correct answers 1. As the chromosome is duplicating, the copies move
towards the opposite ends of the cell.

2. The cell elongates

3. When the chromosome duplication is complete and the cell has reached about twice its initial
size, the plasma membrane grows inward and more cell wall is made, dividing the parent cell
into two daughter cells

peptidoglycan correct answers archaea cell walls lack...

extremophile lifestyle correct answers lifestyle in where there are harsh environments (salty,
acidic, hot, high pressure)

eukaryotes correct answers cells that contain nuclei

nucleus correct answers a part of the cell containing DNA and RNA and responsible for growth
and reproduction; houses chromosomes

cell wall correct answers most eukaryotes do not, (only sometimes) have a...

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