An extra copy of chromosome 21, a condition called ________ syndrome, occurs in about 1 of every 700 births, although this rate varies tremendously with the age of the parents

Fill in the blank(s) with correct word


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Biology & Microbiology

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A third level consumer is indicated by

a. A. b. B. c. C. d. D. e. E.

Biology & Microbiology

The first day of the monthly menstrual cycle begins with ____

a. menarche b. menopause c. gametogenesis

d. menstruation e. ovulation

Biology & Microbiology

Identify and briefly describe three biogeographical realms as described by Wallace. What will be an ideal response?

Biology & Microbiology

Which of the following would be a major component of cell membrane of a fungus?

A. Cellulose B. Chitin C. Cholesterol D. Phopholipids E. Unsaturated fatty acids

Biology & Microbiology