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MCB3020 (UF) BACUSMO EXAM 1 QUESTIONS AND ANSWERS $9.00   Add to cart

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MCB3020 (UF) BACUSMO EXAM 1 QUESTIONS AND ANSWERS

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MCB3020 (UF) BACUSMO EXAM 1 QUESTIONS AND ANSWERS

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  • September 21, 2024
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163 Multiple choice questions

Term 1 of 163
Metabolic Plasmid role

Carry genes for enzymes involved in metabolism

Store genetic information for cell replication

Facilitate communication between cells

Protect the cell from environmental toxins

Term 2 of 163
Transmission Electron Microscopes (TEM)

Create a color image based on the cell's chemical composition.

Visualize the movement of molecules within the cell.

Produce an image of the details of the inside of the cell

Generate a surface view of the cell's outer layer.

Term 3 of 163
Dark-field microscope

uses different densities and refractive indices of cellular components to produce a
detailed image

destroy closely related species


bright image against a dark background

Form a sex pilus and transfer DNA

,Term 4 of 163
Smooth ER

No ribosomes attached to it but has enzymes that synthesize lipids


An organelle that generates energy through cellular respiration

Contains ribosomes that produce proteins for the cell


A structure involved in the breakdown of cellular waste

Term 5 of 163
What are the three layers of the cell envelope?

Composed of only the plasma membrane and cytoskeleton.

Consists of the plasma membrane, cell wall, and layers outside of the cell wall
(Glycocalyx)


Includes the cytoplasm, ribosomes, and nuclear material.

Encompasses the flagella, pili, and fimbriae structures.

Term 6 of 163
Which external structure appears like a grappling hook used for adhesion?

Hami

Fimbriae


Pili

Archaea

,Term 7 of 163
What does LUCA stand for and what branch is it found on?

Endospore stains, Capsule stain, and Flagellar stain.


Membranous organelle that consists of stacked cisternae. It is involved in the
modification, packaging, and secretion of materials

Last Universal Common Ancestor - common ancestor of all three domains of life. States
domains Achaea and Eukarya diverged from common ancestry and Bacteria evolved
independently.

-FtsZ in cell division
-MreB determines cell shape in rod-shape bacteria
-CreS creates curve shape in Caulobacter crescentus bacteria

Term 8 of 163
What is the bacterial shape of vibrio?

comma

spherical


prions

bacillus

Term 9 of 163
What are the prions composed of?

Nucleic Acids

Lysosomes

Proteins

Peptidoglycan

, Term 10 of 163
Cells with relatively complex morphology that have a true membrane-delimited nucleus are
called

viruses

proteins

archaea

eukaryotes

Term 11 of 163
Antony van Leeuwenhoek

First person to observe microorganisms accurately

Who discredited spontaneous generation?

Observed bees and weevils


Carry antibiotic resistance genes

Term 12 of 163
Germ Theory of Disease

Concept that human and animal diseases are caused by microorganisms

Belief that diseases are a result of bad air or miasmas.


Idea that diseases are inherited genetically from parents.

Theory that diseases are caused by imbalances in bodily humors.

Term 13 of 163
Microbiology

The study of human anatomy and physiology.


A field focused on the classification of plants.

The branch of biology that studies microbes.

The examination of geological formations and fossils.

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