3.3 Assuming the same pressure gradient, flow through a vessel with a diameter of 100 m is _______ faster than through a tracheid of 25 m diameter
A. 4×
B. 16×
C. 64×
D. 256×
D
Biology & Microbiology
You might also like to view...
Root activities are all passive, requiring no additional energy
A. true B. false
Biology & Microbiology
The source of new alleles within a population is ____
a. natural selection b. mutation c. nonrandom mating d. adaptation e. genetic drift
Biology & Microbiology
The process by which alleles in one gene move into gametes independent of alleles in other genes is known as ____
a. independent segregation b. independent separation c. probability separation d. probability assortment e. independent assortment
Biology & Microbiology
Which type of cells is the HIV virus able to infect?
A. B lymphocytes and nervous tissue B. red blood cells and liver cells C. macrophages and T lymphocytes D. brain cells and glands E. intestine and T lymphocytes
Biology & Microbiology