Which of the following is NOT a function of the nucleus of a cell?
it translates genetic information for the manufacture of proteins
it stores and carries hereditary information
it is the cell's energy reservoir
it controls the life processes of the cell
Correct answer is C
No explanation has been provided for this answer.
If a child can receive blood from all donors, he belongs to the blood group?
O
AB
A
B
Correct answer is B
Individuals with blood type AB positive are usually called universal recipients while individuals with blood type O are usually called universal donors.
According to Darwin, the driving force behind evolutionary change is
natural selection
genetic drift
mutation
gene flow
Correct answer is A
No explanation has been provided for this answer.
hibernation
aestivation
dormancy
senescense
Correct answer is B
Aestivation is characterized by inactivity and a lowered metabolic rate, and is induced by high temperatures and arid conditions. It takes place during times of heat and dryness (the hot dry season) which are often the summer months.
xanthophyll
chromatophores
chlorophyll
melanin
Correct answer is B
Chromatophores are cells that produce color. Many types are pigment-containing cells, or groups of cells, found in a wide range of animals including amphibians, fish, reptiles, crustaceans, and cephalopods.
Mammals and birds, in contrast, have a class of cells called melanocytes for coloration.