The rate of diffusion of molecules between two media will be higher if_________?
the difference in concentration of the two media is low
the difference in concentration of the two media is negligible
the difference in concentration of the two media is high
there is no difference in the concentration of the two media
Correct answer is C
Difference in concentration affects the rate of diffusion. The greater the concentration gradient, the quicker diffusion takes place.
The part labelled I is the________
centromere
spindle fibre
centriole
chiasmata
Correct answer is A
No explanation has been provided for this answer.
The diagram above is an illustration of a stage in a biological process. Study it and answer this question
What stage of cell division is illustrated in the diagram?
Prophase
Metaphase
Anaphase
Telophase
Correct answer is B
No explanation has been provided for this answer.
Dicotyledoneae and Monocotyledoneae
Monocotyledoneae and Dicotyledoneae
Dicotyledoneae and Dicotyledoncae
Monocotyledoneae and Monocotyledoneae
Correct answer is B
No explanation has been provided for this answer.
A structural similarity between Paramecium and Amoeba is the presence of______
one food vacuole
two contractile vacuoles
two nuclei
one gullet
Correct answer is A
No explanation has been provided for this answer.
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