Life first evolved in and the earliest forms of life lived in ________
Fill in the blank(s) with correct word
water
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A mutation that results in the addition or deletion of a single nucleotide that radically changes the amino acid sequence of the resulting polypeptide is known as a ________ mutation.
Fill in the blank(s) with the appropriate word(s).
Four of the five answers listed below are
related by a common quality. Select the EXCEPTION.
a. urethra b. testis c. ejaculatory duct d. vas deferens e. epididymis
Some aquatic communities are defined by physical features of the abiotic environment rather than by the dominant organisms
Indicate whether the statement is true or false
Which of the following is mismatched?
A. Gracilicutes - gram-negative cell walls B. Firmicutes - gram-positive cell walls C. Tenericutes - waxy acid fast cell walls D. Mendosicutes - archaea cell walls E. None of the choices is correct.