Portage Microbiology Final Exam Review || with Accurate Answers 100%.
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Course
Portage Microbiology
Institution
Portage Microbiology
True/False. A virus is classified as a microbe. correct answers True
Although viruses are not living and as such are not considered microorganisms, they can, however, be classified as microbes, a more general term that includes microorganisms and viruses.
True or False: The smallest biologica...
Portage Microbiology Final Exam Review || with Accurate
Answers 100%.
True/False. A virus is classified as a microbe. correct answers True
Although viruses are not living and as such are not considered microorganisms, they can,
however, be classified as microbes, a more general term that includes microorganisms and
viruses.
True or False: The smallest biological unit of life is the molecule. correct answers False
The smallest biological unit of life is the cell
At a generalized level, all cells are comprised of what? correct answers At a general level all
cells are comprised of macromolecules; proteins, lipids, polysaccharides and nucleic acids.
Proteins are formed from various combinations of [answer1] of which there are [answer2] known
forms. correct answers 1. Amino acids
2. 20
Define an essential amino acid. correct answers An essential amino acid is one that your body
cannot produce. You must intake the 9 essential amino acids from an outside source.
Where can the two major types of nucleic acids be found in the cell, and what are their roles?
correct answers DNA and RNA are the two major types of nucleic acids found in the cell. DNA
holds the genetic information. RNA transcribes this information and gives insutructions to make
proteins.
Complete the following RNA strand, and indicate how many bonds are formed for each
complementary pair:
3' GGUCAUCG 5'5' CC AGC 3' correct answers 3' GGUCAUCG 5'5' CCAGUAGC 3'There are
2 bonds formed between A and U, and 3 bonds between G and C
The plasma membrane (select all that are true):
Only restricts movement of materials into the cell
Is often a bilayer comprised of lipids
Cannot prevent essential nutrients from escaping
Contains hydrophobic tails pointing inward correct answers Is often a bilayer comprised of lipids
Contains hydrophobic tails pointing inward
Carbon, hydrogen, and oxygen atoms come together to form what primary macromolecule? Give
an example. correct answers Polysaccharide.
Ex. Glucose
True of False: Eukaryotic cells do not have a nucleus. correct answers False
, Eukaryotic cells do have a nucleus (prokaryotic cells do not).
Describe the 4 basic bacterial morphologies. correct answers Coccus - Round
Bacillus - Rod
Vibrio - Curved Rod
Spirillum - Spiral
True or False: Archaea, a eukaryotic class of microorganisms, is capable of surviving harsh
environments. correct answers False
Which of the following microorganisms are considered to be Eukarya? Select all that apply.
Animalia
Plantae
Fungi
Protista correct answers Animalia
Plantae
Fungi
Protista
Microorganisms classified as _________ obtain most of their energy by converting light energy
into chemical energy. correct answers Plantae
A defining characteristic of fungi is the presence of chitin in the cell walls. Which of following
also contain chitin? Select all that apply.
Mushrooms
Bacteria
Yeast
Molds correct answers Mushrooms
Yeast
Molds
True or False: A defining characteristic of Protista is the inability of colonies to form tissue
layers. correct answers True
The function of the lysosome is (select all that apply):
Lipid synthesis
Protein synthesis
To produce energy (ATP)
Protein modification and distribution
Waste disposal via hydrolytic enzymes correct answers Waste disposal via hydrolytic enzymes
Identify the following cellular components by matching the number with the description. correct
answers
Cell walls are found in which of the following (select all that apply):
Plants
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