Biology Benchmark

Question 1

Which Term refers to cell division in eukaryotic cells

a)binary fission
b)cell transformation
c)chromatin
d)mitosis

Answer 1

D)mitosis

Question 2

In which of these organisms does binary fission occur

a) acacia trees
b) bacillus subtilis bacteria
c)fruit flies
d)gray squirrels

Answer 2

B) bacillus subtilis bacteria

Question 3

which describes how shivering helps the body respond to cold

Answer 3

muscle movement generates heat, which replaces heat lost to the environment

Question 4

according to medel’s law of segregation, how many for a particular gene does each gamete contain

Answer 4

one

Question 5

why does crossing over only occur in meiosis 1

Answer 5

homologous chromosome are only together in meiosis 1

Question 6

what example of cell transport does not require chemical energy

Answer 6

drops of blue food coloring are placed in water and spread throughout the water turning it blue

a potato slice is placed in water and water molecules from inside the potato move into the surrounding water

Question 7

what differentiates facilitated diffusion from other forms of passive transport

Answer 7

in facilitated diffusion, a special protein channel helps substances cross the cell membrane

Question 8

what reactants of cellular respiration in plants

Answer 8

oxygen and glucose