When a body has been dead several months and gone through hot and cold seasons, the degree of certainty when predicting the pmi is a.) not even close b.) definite c.) low d.) high

If the coding part of an mrna molecule is 1800 nucleotides (bases) in length, this molecule will contain codons and code for a polypeptide that is amino acids long.

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm

Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed