Which structures have the same length, shape, and centromere location?
a. karyotypes
b. histones
c. bacteriophages
d. nucleosomes
e. autosome pairs
ANSWER: e
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In what ways can biologists contribute to the challenges faced by humanity in the 21st century?
A. All of the answer options are correct. B. They can develop crops that yield more food in the face of changing environmental conditions. C. They can make predictions about how global change will impact species and communities. D. They can work with lawmakers to ensure that government policies are environmentally sound. E. They can develop new methods to fight diseases.
These joints have bones joined by stiff fibers of connective tissue and are essentially immobile
a. synovial joints b. cartilaginous joints c. fibrous joints d. non-synovial joints e. non-fibrous joints
Which method is used to prevent hemolytic newborn disease?
a. EPO injections b. Rh transfusions c. Rh antibody injections d. cross-matching e. RhoGam injections
Which of the following diseases is NOT caused by viruses?
a. The common cold and influenza b. Smallpox and mononucleosis c. Polio and rabies d. Aids and warts e. Diabetes