Cells control gene expression at which steps

What is the difference between messenger RNA and transfer RNA?

Explain the fossil clues that supported wegener's theory

The survival of some plants depends on their ability to have seeds transported to a favorable environment. Describe three different ways seeds can be transported from one location to another?

What are tissues? A groups of tissues that work together B basic units of structure and function C groups of cells that perform the same function D multiple organs that perform a major function

Dna contains the code for passing on genetic traits

Which of the following statements violates the cell theory? A) Mitosis produces new cells identical to the parent cell that divided to make them. B) Viruses are not considered to be living organisms, because they are smaller than a cell.

One scientist discovered a new theory on the evolution of the universe. What is the next step for the scientist to take?

Darwin and the theory of evolution a. True b. False worksheet

The cross-section, or diameter, of the hair shaft is much larger in coarse hair than in which of the following? A. Fine hair B. Gray hair C. Curly hair D. Blonde hair

List the substrate and the subunit product of amylase