Individuals with three or more copies of each of their chromosomes are called ____
a. polyploids
b. haploids
c. aneuploids
d. euploids
e. diploids
A
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Viruses infecting protists, including algae, have never been detected.
Answer the following statement true (T) or false (F)
A student poses the question: How does the presence of dissolved salt affect the freezing point of water? To answer this question, the student set up two conditions. In the first condition, the student added salt to water in a container and referred to this condition as the variable. In the second condition, the student did not add any salt to water in a second container and referred to this
condition as the control. The student took both containers and attempted to freeze the water at various temperatures to assess the freezing point. Would this be a valid experiment? A. Yes, because there is more than one variable. B. Yes, because there is one variable and a control C. No, because there is not more than one variable D. No because there is only one variable and a control
The lumen of the digestive tract describes
a. the movement of food along its length. b. its outer covering. c. the space inside. d. muscular layers. e. the twisted path it follows through the abdomen.
Transmission of malaria is by way of the __, which is the ___host.
A. anopheles mosquito, definitive B. anopheles mosquito, intermediate C. aedes mosquito, definitive D. aedes mosquito, intermediate