Which of the following nucleotides is not found in the DNA molecules?
Adenine
Cytosine
Guanine
Uracil
Correct answer is D
No explanation has been provided for this answer.
replication
cell maturation
crossing over
mutation
Correct answer is A
No explanation has been provided for this answer.
The diagram below is an illustration of a process occurring in a living animal cell. Study it and answer this question
The process occurs in the _______
Nucleus
Mitochondrion
Golgi body
Cytoplasm
Correct answer is A
No explanation has been provided for this answer.
Individuals with blood group AB can donate blood to individuals with blood group(s)___________?
A and B
A and O
AB only
O only
Correct answer is C
Donors with blood type AB can donate to recipients with blood type AB only.
Donors with blood type O can donate to recipients with blood types A, B, AB and O (O is the universal donor)
Which of the following factors is not a source of variation in living organisms?
Environment
Inheritance
Mitosis
Meiosis
Correct answer is C
No explanation has been provided for this answer.
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