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