Given the chemical formula of a compound, which element(s) MUST you find to be classified as an organic compound.
a
nitrogen and calcium
b
hydrogen
c
oxygen, nitrogen and helium
d
carbon and hydrogen
The correct answer is d) carbon and hydrogen.
Plant cells that are flooded with salt water will decrease the size of their central vacuoles, and their cell membranes will shrink away from the cell walls. What is this an attempt to do?
a
store some water and restrict salt water from entering the cells
b
store salt inside the cell for cell processes
c
enable the plant to survive in a drought condition
d
release all the water from the cells
The correct answer is a) store some water and restrict salt water from entering the cells.
In a drought, sufficient water is not available for the uptake of water into trees. This directly affects the process of _____________________. Without this process, ample oxygen is not placed into the atmosphere for living things to undergo _______________________.
a
photosynthesis, respiration
b
respiration, photosynthesis
c
carbon dioxide, oxygen
d
oxygen, carbon dioxide
The correct answer is a) photosynthesis, respiration.
Plants produce glucose in order to
a
move.
b
get sunlight.
c
make energy.
d
turn green.
The correct answer is c) make energy.
What are the reactants in the equation for cellular respiration?
a
glucose and oxygen
b
carbon dioxide and water
c
oxygen and lactic acid
d
water and glucose
The correct answer is a) glucose and oxygen.
The rough ER’s main purpose is membrane and protein production, the latter process assisted by ribosomes. These processes help maintain _____ in eukaryotic cells.
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a
passive transport
b
homeostasis
c
vitamin synthesis
d
Mrs.Ruhala's garden gnome collection