What are some traits of nonvascular plants that allow them to grow on rocky surfaces, in cold areas or during drought?
What will be an ideal response?
Nonvascular plants absorb nutrients across their surface, rather than withdrawing them from soil, so they can colonize rocky sites where vascular plants cannot become rooted. They also withstand drought and cold better than vascular plants.
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Where does the carbon in carbon dioxide waste originally come from in cell respiration?
A. Electron Transfer Phosphorylation B. Glycolysis C. The Krebs Cycle D. ATP Breakdown E. None of these
Sickle cell anemia is a condition in which red blood cells of patients exhibit a characteristic "sickle" shape. This arises from a mutation or change in one of the amino acids found in hemoglobin. Knowing this, what level of protein structure is most directly affected by this single amino acid mutation?
A. primary B. secondary C. tertiary D. quaternary E. None of the choices are correct.
________ attaches DNA sequences at the ends of eukaryotic chromosomes.
A. Polymerase B. Ligase C. Telomerase D. Topoisomerase E. Primase
Which of the following is NOT an important feature in distinguishing animals from each other?
a. presence and cellular arrangement of tissues b. growth of skeletal elements c. body symmetry d. development of the gut e. method of locomotion (movement)