Vasoconstriction causes an increase in the diameter of blood vessels, thus causing an increase in blood flow to the tissues
Indicate whether the statement is true or false
FALSE
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If a virus enters the lytic phase in a host's cell, it will cause the host cell to
A. reject the virus. B. shrink because of the loss of cytoplasm that has been used in the synthesis of viral DNA. C. lysis due to the action of enzymes D. replicate itself at a higher than normal frequency. E. initiate an attack on the virus.
What characteristic separates the two kinds of land plants?
a. The thickness and composition of their cell walls b. The form and shape of their leaves c. Their root structures d. The presence of vascular tissue
Most people born with recessive disorders are born to parents who are both heterozygous or carriers for the recessive allele.
a. true b. false
You are working with a scientist to classify new plants. You find a new plant that has flowers. You can conclude what about its reproduction?
A. It reproduces sexually. B. It reproduces by apomixis. C. We do not have sufficient information about this plant to indicate how it reproduces. D. It reproduces by somatic embryogenesis.