Chemistry, 27.09.2020 14:01 kelsey4698
PLEASE ANSWER First get 50 POINTS
1 Chloroplasts are oval disks containing green chlorophyll and are usually found near the outside of the cell. What function do they perform?
A locomotion
B fat storage
C photosynthesis
D reproduction
2 Which organelle controlls cell activity the way the brain controls body activity?
cell membrane
cell membrane
cytoplasm
cytoplasm
nnucleus
vacuole
2 Which organelle controlls cell activity the way the brain controls body activity?
A cell membrane
B cytoplasm
C nucleus
D vacuole
3. Cells require a thick, jelly-like substance that holds the organelles in place inside the cell. This substance is the -
A Mitochondria.
B chlorophyll.
chlorophyll.
C cytoplasm.
cytoplasm.
D DNA.
4.What function in plant cells is comparable to an animal eating food?
A Vacuoles storing waste, protecting the rest of the cell from contamination.
B Cell walls providing rigidity and support for cell structure.
C Chloroplasts absorbing solar energy for cellular activities.
D Nuclei directing cellular activity from information held in DNA.
Both plant and animal cells contain -
mitochondria, cell membrane and chloroplasts.
a cell membrane, cytoplasm and nucleus.
a cell membrane, cell wall and nucleus
mitochondria, a cell wall and chloroplasts
Identify the structure of the cell below that contains chlorophyll, gives plants their green color and traps energy from sunlight.
cell membrane
cell wall
large vacuole
nucleus
chloroplast
Identify three cell parts that indicate this diagram below represents a plant cell and not an animal cell.
cell membrane
cell wall
large vacuole
nucleus
chloroplast
Answers: 3
Chemistry, 22.06.2019 23:00, lufung8627
Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
Answers: 1
Chemistry, 22.06.2019 23:00, genyjoannerubiera
In the reaction h2co3 (aq) + 3nh3 (aq) = 2 nh4+ (aq) + co3 2-, how many electrons are transferred?
Answers: 3
PLEASE ANSWER First get 50 POINTS
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