Nonvascular plants include mosses, liverworts, and hornworts. They are usually just a few cells thick and grow close to the ground. What can plants that have vascular tissue do that plants lacking vascular tissue cannot do?
A) absorb nutrients and minerals from the soil
B) transport materials such as water and sugars
C) reproduce
D) carry out photosynthesis
Ans: B) transport materials such as water and sugars
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Where are complement proteins synthesized, and what do they do?
a. in the bone marrow, generate new platelets and T-cells b. in the kidneys and plasma, destroy intracellular pathogens c. in macrophages and the liver, destroy extracellular pathogens d. in the spleen and duodenum, generate macrocytes
How do the anterior and posterior pituitary
glands differ?
a. the anterior pituitary produces peptide hormones while the posterior pituitary produces steroid hormones b. the anterior pituitary produces its own hormones but the posterior pituitary doesn’t c. the anterior pituitary is a part of the nervous system; the posterior pituitary is a part of the endocrine system d. the anterior pituitary is controlled by the hypothalamus whereas the posterior pituitary is controlled by the adrenal cortex e. the anterior pituitary is under voluntary control; the posterior pituitary is under involuntary control
Organic molecules found in plant foods that reduce the risk of certain disorders are known as ____
a. vitamins b. essential amino acids c. minerals d. phytochemicals e. lipids
The amount of rest that is required between heavy exercise bouts is generally:
What will be an ideal response?