The onset of puberty in humans is a gradual process occurring over a few years. which of the following controls the onset of puberty? a) the nervous system b) the endocrine system c) the integumentary system d) the excretory system

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?

What was the purpose of mendel's experiments with dihybrid crosses? a. to determine if dna was a transforming factor b. to determine if traits could be recessive c. to determine if traits affected each other d. to determine if traits had more than one allele

When proteins are being produced by a cell, scientist say that the genes are question 2 options: activated turned off replicated deactivated