Explain how females with the chromosome constitution XXX are often fertile with normal intelligence and lead normal lives
What will be an ideal response?
Two of the three XX chromosomes will be inactive; therefore these females will have only one active X. This is the same as a person that is XX.
Biology & Microbiology
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A muscle contraction during which fibers cannot relax between stimuli is called ____
a. an action potential b. a muscle twitch c. fatigue d. tetanus e. constriction
Biology & Microbiology
Which of the following is not a camouflage device?
a. chromatophores b. iridophores c. thigmotaxis d. obliterative countershading
Biology & Microbiology
Which of the following do carrier proteins often transport?
a. proteins b. steroid hormones c. H2O d. glucose and amino acids
Biology & Microbiology
Which group of fungi appears to lack asexual reproduction?
A) Glomeromycetes B) Ascomycetes C) Chytrids D) Basidiomycetes E) All fungi have asexual reproduction.
Biology & Microbiology