sem 1 Flashcards
the stuff’s name before it lock and keys with the enzyme
substrate
the place where the substrate and enzyme come together
active site
the stuff that leaves the active site
product
Which life process is involved with releasing potential energy from organic food molecules?
a. nutrition
b. digestion
c. respiration
d. absorption
c. respiration
which lettered term best describes a Cnidarian classification group?
a. segmented, alimentary canal
b. tentacles, gastro vascular cavity
c. gastrovascual cavity, flat
c. tentacles, gastro vascular cavity
microscope with the bigger working distance
stereo
If I split a carbon atom, I would have
a. carbon protons, carbon neutrons and carbon electrons
b. i would not have a carbon atom
c. i would have nothing
b.
under certain circumstances, stoma of plants leaves will close to avoid excessive loss of
a. water
b. carbon dioxide
d. chlorophyl
a. water
The energy to synthesize glucose during photosynthesis immediately comes from
a. NAD and ATP
b. NAD
c. ATP
a. NAD and ATP
bile
the stuff from your liver that mechanically breaks down lipids
difference between virus and bacteria cell
virus only has DNA
bacteria cell insides
DNA, ribosome
chordate vs vertebrate
vertebrate- actual backbone.
chordate- cartilate
in order to be utilized by cells, carbohydrates must be in the form of
a. starch
b. glucose
c. glycogen
b. glucose
starch and glycogen are polysaccharides
digested end product of protein
amino acid
digested end product of fat
fatty acid
food is moved along the alimentary canal by the process of
a. peristalsis
b. active transport
c. mastication
a. peristalsis
mastication is chewing
two things large intestine absorbs
water and salt
which statement reperesents the theme of the physical break up of food?
a. action of bile on carbohydrates
b. grinding piece of steak into hamburger
c. hydrolysis of polysaccharides into monosaccharides
b. grinding a piece of steak into hamburger
not a. because bile acts on lipids
which word is the same as digestion?
a. symbiosis
b. dehydration synthesis
c. hydrolysis
c
what process does the small and large intestine have in common?
they both absorb specific molecules
which term is properly matched?
a. cow and gastrovascualr cavity
b. protista and mouth
c. caecum and hydra
d. gizzard and dog
e. earthworm and molars
f. food vacuole and paramecium
f. food vacuole and paramecium
which orgasm or organisms only do intracellular digestion?
a. paramecium
b. amoeba
c. hydra
b. amoeba
The pH of stomach
1-2
path food takes in humans
mouth-esophogus-stomach-small intestine-large intestine- anus
which of the following is inorganic?
a. sugar
b. protein
c. enzyme
d. water
d. water
difference between osmosis and diffusion
osmosis= water
which microscope should I use for a 10mm thick specimen?
stereo
You noticed a crack in the beaker she was heating. What should you do?
discontinue heating and
a. report to teacher
b. take beaker to instructor
a.
the beaker will be really hot
1 mm
how many micrometers?
1,000
the thing that’s different for DNA and RNA
uracil and thymine
ribosom are involved in?
a. protein synthesis
b. protein modification
c. protein hydrolysis
a.
hydrolysis can be performed by
a. plants
b. animals
c. fungus
d. all of the above
d.
84% water outside
55% water inside
a. water will only move into bag
b. water will move out of bag but some will move in
c. water will move in but some will move out
d. water will only move out
c.
H-C-OH H-C-OH H-C-OH H-C-OH H-C-OH
fatty acid
H-N-C-C-OH
protein
where does photosynthesis occur?
chloroplast
what do both eukaryotic and prokaryotic cells have?
a. ribosome
b. cell membrane
c. cell membrane and DNA
d. DNA, ribosome and membrane
d
prokaryotic
lack internal membrane
pro-no
euglena
photosynthetic eukaryotic cell
what does a catalyst do?
provides a place for substrates to collide
pick the best sequence for the flow of energy during photosynthesis
a. light, chlorophyll excite electrons, reduce ATP and NADPH, glucose bonds
b. water bonds, reduce ATP and NADPH, glucose bonds,
c. light, reduce batteries, chlorophyll excited electrons, glucose bonds
a
which light is least effective for photsynthesis?
a. green
b. blue
c. orange
a.
which is true of the calvin cycle?
a. NADP is reduced
b. carbon dioxide is required
d. oxygen is produced
b
