All of the following are features of capillaries that promote exchange between blood and interstitial fluid EXCEPT which one?
A) Capillaries lack connective tissue in their walls.
B) Capillary walls consist of a single layer of squamous epithelial cells.
C) Capillary walls have pores within the cells and slits between the cells, making them "leaky."
D) Capillary walls lack smooth muscle.
E) Capillaries have tiny valves that keep the blood flowing in one direction.
E
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Which of the following is an example of a clone on the organism level?
A. identical twins B. fraternal twins C. two plants of the same species D. offspring with characteristics of both parents E. chicks hatched from the same mother
The information that directs the development of the fertilized egg is present in all of the following
EXCEPT
a. information in egg nucleus b. information in sperm nucleus c. mRNA in egg cytoplasm d. proteins in egg cytoplasm e. sperm cytoplasm
Which chromosomes are carried by a normal female bird?
The spread of hepatitis D is preventable by the hepatitis D vaccine.
Answer the following statement true (T) or false (F)