Organism Sexual Reproduction – Microbiology
This quiz is about organism sexual reproduction – Microbiology.
Which of the following is not a component to what makes up a nucleotide?
B. nitrogenous base
C. phosphate group
D. carboxyl group – correct
All of the following are found in the walls of a Gram positive organism except….
A. plasma membrane
B. lipopolysaccharide(LPS) – correct
C. teichoic acid
Which of the following organisms have multiple flagella on one side of its body and uses these flagella to move throughout the environment?
B. Lophotrichous – correct
Phagocytosis is a form of exocytosis.
False – correct
An organism will swell and burst within an isotonic solution.
False – correct
Structure which anchors the peptidoglycan layer within the wall of a Gram positive organism is called:
A. Teichoic acid – correct
B. Lipopolysaccharide (LPS)
Which of the following is not a eukaryote?
A. slime molds
C. archaea – correct
E. Organisms which causes mycotic infections
How does a patient typically become infected with hookworms?
A. The worm penetrates the skin when the patient walks outside barefoot. – correct
B. Cysts are ingested when the patient eats undercooked meat.
C. Cysts are spread via respiratory droplets when an infected host coughs or sneezes.
D. Eggs are ingested when the patient eats infected seafood.
E. Cysts are spread onto contaminated door knobs when an infected host does not properly wash their hands and then the patient touches that object and doesn’t wash their hands before eating.
Communication between the nucleus and cytosol occurs through
A. sodium channels.
B. nuclear pores. – correct
This is the digestive system of a cell , degrading and /or recycling bacterial or organic components.
B. Golgi apparatus
C. Endoplasmic reticulum
E. Lysosomes – correct
Which bases below are purines?
1.adenine 2. cytosine 3. guanine 4. thymine 5. uracil
A. 1,3, and 5
B. 2 and 3
C. 1 and 2
D. 2,4, and 5
E. 1 and 3 – correct
All of the following are stages of the process of binary fission except:
A. daughter cell separation
B. cell elongation
C. septum formation
D. RNA replication – correct
Which of the following organisms contain a “hyphae” within its construct?
E. Fungi – correct
Which of the following does not fall under the category of being a characteristic of a prokaryote?
A. Contains a peptidoglycan layer within its cell wall.
B. Has a flagella which moves in a wavelike formation (whips back and forth) – correct
C. Does not contain rough endoplasmic reticulum.
D. Replicates by way of binary fission.
E. Has DNA as its form of genetic material.
Which of the following enzymes are responsible for “gluing” the okazaki fragments together within the lagging strand during DNA replication?
D. DNA polymerase III
E. Ligase – correct
Which of the following is not true regarding osmosis?
A. It does not require energy to occur.
B. Water moves from areas of high solute to areas of low solute. – correct
C. It involves a selectively permeable membrane.
D. It is driven by differences in solute concentration.
E. Water moves from areas of low solute to areas of high solute.
Which of the following demonstrates the idea of the Central Dogma?
A. None of the theories demonstrates the central dogma.
B. The theory states that DNA replication is much slower in a eukaryote than in a prokaryote.
C. The theory states that prokaryotic cells contain more surface area within their bodies than eukaryotic cells.
D. The theory states that DNA is expressed within RNA which is expressed as a protein. – correct
E. The theory states that Gram + organisms contain a thick peptidoglycan layer where as a Gram- organism contains a thin peptidoglycan layer.
Which of the following organelles are responsible for lipid production?
B. Vesicles and vacuoles
D. Smooth endoplasmic reticulum – correct
E. Rough Endoplasmic Reticulum
Fungal spores can be made by which of the following?
A. all of the above – correct
B. asexual reproduction
D. sexual reproduction
F. none of the above
Kelp, from the bottom of the ocean, falls under which Kingdom of organisms?
B. It is actually a prokaryote.
C. Protista – correct