A difference in appearance between males and females in a species is called ________
Fill in the blank(s) with correct word
sexual dimorphism
Biology & Microbiology
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The plane in which cytoplasmic division will occur in a plant cell is marked by a(n) ________
a. cleavage furrow b. actin-free zone c. contractile ring d. cell plate
Biology & Microbiology
DNA is found in association with proteins within the cell. What is the term for this DNA-protein complex?
A. chromatids B. centromere C. karyotype D. chromatin E. nucleus
Biology & Microbiology
Enzymes used to cut genes in recombinant DNA
research are a. ligases. b. restriction enzymes. c. transcriptases. d. DNA polymerases. e. replicases.
Biology & Microbiology
The most debilitating external parasites of birds and mammals are spread by
A) a vector. B) an intermediate host. C) a definitive host. D) direct contact.
Biology & Microbiology