Water inside xylem is pulled upward by:
a. turgor pressure
b. tension
c. osmotic gradients
d. pressure flow forces
e. translocation
b
You might also like to view...
Unlike eukaryotic cells, bacterial cells _____
a. have no plasma membrane b. have RNA but not DNA c. have no nucleus d. have no plasma membrane and have no nucleus
The myelin sheath:a
is a protein covering around dendrites. b. is responsible for integrating information. c. is a fatty covering only around axons. d. stores neurotransmitters in the axon. e. is a fatty covering only around cell bodies.
If evolution has occurred:
a) the allele frequencies in a population have changed. b) the mean value for a trait has increased or decreased. c) the individuals in a population have had differential reproductive success. d) one species has split into two distinct species. e) None of the above is correct.
Which cell organelle is responsible for the breakdown of fatty acids?
a. Golgi body b. ribosome c. mitochondrion d. lysosome e. peroxisome