Which of the following systems is the first to
begin development in the human embryo?
a. nervous system
b. excretory system
c. reproductive system
d. skeletal system
e. endocrine system
A
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Cohesins are multisubunit protein complexes that
A) hold sister chromatids together. B) ensure that proper chromosome arm length is maintained. C) allow easy karyotyping. D) allow replication of chromosome ends.
Cells can activate a genetic suicide program in response to a signal in the body. This programmed cell death is called ________
Fill in the blank(s) with correct word
Which of the following is an incorrect pairing?
A) protozoa; multicellular B) fungi; cell walls C) algae; aquatic and marine habitats D) prokaryotes; no nuclei E) viruses; acellular parasites
In early 2014, West African countries began diagnosing and reporting cases of Ebola for the first time in their history. This is an example of a(n) (endemic/epidemic/sporadic) disease.
Fill in the blank(s) with the appropriate word(s).