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Reviews Flashcards

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1
Q
  1. The plasma membrane of cells in a eukaryotic organism is made up of?

A. cell wall
B. phospholipid bilayer
C. fat soluble glucose
D. sodium-potassium pump

A

B. phospholipid bilayer

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2
Q
  1. Prokaryotic organisms.

A. are always single cellular organisms
B. have a nuclear membrane to separate the nucleus from the cytoplasm
C. are always multi-cellular
D. all the above

A

A. are always single cellular organisms

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3
Q
  1. A typical lipid bilayer has the?

A. hydrophilic ends facing the inside of the cell
B. hydrophobic ends facing the inside of the cell
C. hydrophilic ends facing the outside of the cell
D. both a and c

A

D. both a and c

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4
Q
  1. A form of diffusion that occurs in the presence of a semi-permeable membrane is called

A. pinocytosis
B. active transport
C. osmosis
D. sodium-potassium pump

A

C. osmosis

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5
Q
  1. The cellular organelle that has a variety of shapes and functions as respiration and energy for the cell is called the?

A. ribosomes
B. golgi apparatus
C. lysosome
D. mitochondria

A

D. mitochondria

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6
Q
  1. RNA is _______ .

A. double stranded
B. found in the nucleus
C. found in the mitochondria
D. single stranded

A

D. single stranded

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7
Q
  1. What is it called when a mouse shows its dominance by removing hair from another cage mate?

A. alopecia
B. self mutilation
C. barbering
D. prolapse

A

C. barbering

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8
Q
  1. In DNA and RNA, Guanine is complimentary and always paired with?

A. Adenine
B. Cytosine
C. Thymine
D. Uracil

A

B. Cytosine

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9
Q
  1. A property of epithelial tissue that protects the underlying tissue against friction or abrasion and makes the surface waterproof is __________

A. microvilli
B. ciliated surface
C. basement membrane
D. keratinized surface

A

D. keratinized surface

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10
Q
  1. An example of connective tissue is __________

A. blood
B. white matter
C. cardiac muscle
D. striated muscle

A

A. blood

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11
Q
  1. To prevent a state of constant stimulation at the neuronal junctions of parasympathetic nervous systems and at skeletal muscle, the enzyme __________ inactivates the neurotransmitter at the synapse.

A. epinephrine
B. acetylcholine
C. myelin
D. acetylcholine esterase

A

B. acetylcholine esterase

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12
Q
  1. To view the cellular organelles, the best method is to use the _____________ .

A. electron microscope
B. your naked eye
C. dissecting scope
D. light microscope

A

A. electron microscope

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13
Q
  1. Diabetes mellitus produces an abundance of ________ due to abnormal lipid metabolism .

A. alcohole
B. alkanes
C. ketones
D. aldehydes

A

C. ketones

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14
Q
  1. Sucrose is a disaccharide is a combination of glucose and ________ .

A. lactose
B. galactose
C. fructose
D. glucose

A

C. fructose

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15
Q
  1. Lactose is a disaccharide composed of glucose and ________ .

A. galactose
B. sucrose
C. fructose
D. glucose

A

galactose

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16
Q
  1. Which is NOT an example of a polysaccharide composed of many molecules of glucose.

A. glycogen
B. pentobarbital
C. starch
D. cellulose

Study These Flashcards
A

B. pentobarbital

17
Q
  1. The most common unsaturated fatty acids are:

A. stearic and palmitic
B. oleic and linoleic
C. glutamic and aspartic
D. maltose and glycogen

Study These Flashcards
A

B. oleic and linoleic

18
Q
  1. The most abundant protein in the mammalian organism and comprises about one third of the total protein is __________ .

A. hemoglobin
B. lipase
C. insulin
D. collagen

19
Q
  1. The study of the interaction of molecules within each living cell, particularly those that involve the genes and products produced by genes is known as _______

A. genetic engineering
B. immunology
C. physiology
D. molecular biology

Study These Flashcards
A

molecular biology

20
Q
  1. The ability to use techniques from molecular biology to reconstruct, either by addition or deletion, the genetic code of an organism is known as. _______

A. translation
B. replication
C. genetic engineering
D. transcription

Study These Flashcards
A

genetic engineering

21
Q
  1. The process where the ribosome takes the mRNA code and converts it to proteins is called ________ .

A. translation
B. replication
C. genetic engineering
D. transcription

22
Q
  1. The process where information from DNA is transported to the cell via messenger RNA is called ________

A. translation
B. replication
C. genetic engineering
D. transcription

Study These Flashcards
A

transcription

23
Q
  1. The process where a duplicate set of chromosomes of the parent cell is produced to provide the two new cells with an exact copy of the DNA is called

A. translation
B. replication
C. genetic engineering
D. transcription

24
Q
  1. Separating different fragments of DNA by passing the DNA on a gel between positive and negative electrodes is called ______________ .

A. hybridization
B. amplification
C. cloning
D. electrophoresis

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A

electrophoresis

25
26. Repeating the steps in Polymerase Chain Reaction multiple times to increase the amount of DNA tremendously is known as _______________ . A. hybridization B. amplification C. cloning D. electrophoresis
amplification
26
27. When RNA is the target for the probe, the process is called the __________ . A. Northern Blot B. Southern Blot C. Western Blot D. Eastern Blot
A. Northern Blot
27
28. When Protein is the target for the probe, the process is called the __________ . A. Northern Blot B. Southern Blot C. Eastern Blot D. Western Blot
D. Western Blot
28
29. Of the following animals, which is not needed to produce a transgenic mouse: A. superovulated female B. donor female C. stud male D. all are needed
D. all are needed
29
30. The real hope of researchers is that the gene constructs will: A. appear in the first generation of mice B. integrate into the Germ Cell Line C. Integrate into the Somatic Cell Line D. None of the above
integrate into the Germ Cell Line
30
31. Arterial cannulation differs from venous cannulation in which way: A. venous cannulation is used to test blood pressure as arterial cannulation is not B. Arteries are easier to cannulate then veins C. A “cut down” approach is used when cannulating arteries D. All are true
A “cut down” approach is used when cannulating arteries
31
35. Insertional mutations may produce __________ in genetically engineered animals. A. immunosuppresion B. cancer C. fertility D. all the above
all the above
32
36. In creating a Targeted Mutation, a knockout gene is inserted into the Embryonic Stem cells by _______________ . A. microinjection B. chemical treatment C. electrical current D. computerized monitors
C. electrical current
33
37. If two Founders, each carry a copy of transgene in its egg or sperm cells (which means it is heterozygous for the transgenic trait), are bred ______ of the progeny should be homozygous for the transgene. A. 100% B. 50% C. 25% D. 0%
C. 25%
34
38. In creating a new transgenic mouse, in order to confirm that the DNA was successfully incorporated via pronuclear microinjection, the mice produced had tail snips performed and were tested by performing ______________ . A. Northern Blot B. Southern Blot C. Eastern Blot D. Western Blot
Southern Blot
35
43. The nervous system sends out messages electrically as the endocrine system sends out messeages? A. also electrically B. chemically C. using active transport D. impulses of movement
B. chemically
36
44. Both smooth and striated muscles contain _____, which allows them to contract. A. fascia B. myofibrils C. myelin sheath D. dendrites
B. myofibrils
37
48. There are only ___ amino acids A. 7 B. 8 C. 30 D. 20
D. 20
38
4. Chemical subunits of a polymer are referred to as? A. totipotent B. transgene C. nucleotides D. restriction enzymes
C. nucleotides
39
5. Normally when recognition of self fails the body begins to synthesize immune defense against itself, this is called? A. immunodeficiency B. chronic immune complex disease C. passive immunization D. autoimmune disease
autoimmune disease
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