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20 questions
This scientist experimented with raw meat: one was sealed and the other was left to be exposed to flies; maggot growth was observed ONLY in meat that was exposed.
Antonie van Leeuwenhoek
Francesco Redi
Louis Pasteur
Robert Hooke
If this pathogenic bacteria is found virtually anywhere, the term used to describe this is:
Pathogenic
Microbial
Ubiquitous
Viral
This type of virus is capable of infecting other bacteria by injecting its:
Capsid
Nucleic acid
Protein
None of the above
Which of the following is considered macro in size?
HIV
Staphylococcus
Endospores
Fleas
What unit of measurement is used to measure fleas?
Millimeters
Micrometers
Nanometers
Centimeters
What happens to protein synthesized by ribosomes not attached to anything?
Is exported into another cell
Exported outside the cell
Stays within the cell
None of the above
Segment of DNA that is capable of coding for protein
RNA
Introns
Genes
None of the above
Because glycerophospholipids have both a hydrophobic and hydrophillic region, they are known to be
amphipathic
amphoteric
amphibolic
amphilophotrichous
This molecule readily diffuses into the plasma membrane
Carbon Dioxide
Proteins
Lipids
DNA
This organelle is capable of generating adenosine triphosphate for energy
Ribosomes
Nucleus
Lysosomes
Mitochondria
This protein is embedded in the lipid bilayer, and may sometimes have a carbohydrate chain attached to it for cell identification
Peripheral membrane protein
Integral membrane protein
Glycolipid
None of the above
The type of protein is not permanently embedded in the lipid bilayer, therefore can be relocated
Integral membrane protein
peripheral membrane protein
glycolipids
carbohydrates
If hydrogen bonding occurred between the amino group and carboxyl group of other amino acids, the resulting protein would be considered:
Primary
Secondary
Tertiary
Quaternary
If hydrogen bonding between amino acids occurred at their side chains, the resulting protein would have this shape:
a-helix
b-pleated sheet
linear chain
alpha sheets
Which of these are considered to be secondary level protein organization?
Linear chain
alpha helix
beta pleated sheets
all of the above
Primary level protein lacks:
carboxyl groups
Hydrogen bonding
side chains
amino groups
Which level of protein organization is capable of having linear chains, a-helical, and b-pleated sheets observed on 1 strand of protein?
Primary
Secondary
Tertiary
Quaternary
This part of the chemical reaction is considered a catalyst and is not used up, but rather, recycled.
Substrate
Enzyme
Activation energy
none of the above
Which of the function groups are capable of linking amino acids together?
Amino group
Side Chain
Carboxyl group
Carbon
T/F: All amino acid structures have a carboxyl group attached, and typically play a major role in secondary protein structures.
True
False
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