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SELECT ALL of the following statements below that are true about lymphocytes.
a. lymphocytes are red blood cells
b. lymphocytes are involved in immune response
c. 1/4 of the body's lymphocytes are in the blood
d. 1/4 of the body's lymphocytes are in the blood
e. lymphocytes are names for where they grow and mature

Blood stem cells may develop into any kind of human blood cells. what kind of stem cells are blood stem cells? a. multipotent stem cells o b. totipotent stem cells o c. pluripotent stem cells o d. unipotent stem cells

Laura yin suggested i contact you concerning the marketing position available at eastern arbor. i am inspired to pursue my marketing interests at eastern arbor due its reputation as a prestigious innovative and growing company in liability policies

Based on the observation that only male crickets produce a song, you hypothesize that a male's song is a form of communication to potential mates. you set up a simple experiment to test this hypothesis. in the laboratory, you place a male snowy tree cricket in enclosure a, which is adjacent to enclosureb. in enclosure b, you place other insects, one at a time, and observe their responses to the male's song. the enclosures are designed so that the two insects being tested cannot see or smell each other, but sound is transmitted from enclosure a to enclosureb.