Reviews Flashcards
- 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
B. phospholipid bilayer
- 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. are always single cellular organisms
- 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
D. both a and c
- 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
C. osmosis
- 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
D. mitochondria
- RNA is _______ .
A. double stranded
B. found in the nucleus
C. found in the mitochondria
D. single stranded
D. single stranded
- 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
C. barbering
- In DNA and RNA, Guanine is complimentary and always paired with?
A. Adenine
B. Cytosine
C. Thymine
D. Uracil
B. Cytosine
- 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
D. keratinized surface
- An example of connective tissue is __________
A. blood
B. white matter
C. cardiac muscle
D. striated muscle
A. blood
- 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
B. acetylcholine esterase
- 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. electron microscope
- Diabetes mellitus produces an abundance of ________ due to abnormal lipid metabolism .
A. alcohole
B. alkanes
C. ketones
D. aldehydes
C. ketones
- Sucrose is a disaccharide is a combination of glucose and ________ .
A. lactose
B. galactose
C. fructose
D. glucose
C. fructose
- Lactose is a disaccharide composed of glucose and ________ .
A. galactose
B. sucrose
C. fructose
D. glucose
galactose