IN HUMANS FREE EARLOBES ARE DOMINANT TO ATTACHED EARLOBES. IF AN INDIVIDUAL IS HETEROZYGOUS FOR THE EARLOBES TRAIT MATED WITH AN INDIVIDUAL WITH ATTACHED EAR LOBES WHATS THE PROBABILITY OF A CHILD WITH ATTACHED EARLOBES?

A. 0%
B. 25%
C. 50%
D. 100%


C. 50%

Biology & Microbiology

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The echiuran Urechis is also known as:

a. the peanut worm. b. the lugworm. c. the innkeeper worm. d. the beardworm. e. the fan worm.

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Which molecule is incorrectly matched with its monomer?

a. fat; fatty acid b. starch; ribose c. protein; amino acid d. glycogen; glucose e. nucleic acids; nucleotide

Biology & Microbiology

One predicted aspect of climate change is that climates, including precipitation and temperature, over most of the Earth will become more variable. Which of the following is a good crop genetic engineering strategy if this is true?

A) Only plant crops that are genetically engineered. B) Genetically engineer most crops to withstand very long droughts. C) Genetically engineer several genotypes within single crop types. D) Genetically engineer the fastest growing crops possible.

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Which of the following molecules would be blocked by a cell membrane?

a. Simple alcohols b. Water c. Dissolved oxygen d. Ions

Biology & Microbiology