A defective protein can be produced by a cell when a mutation has which of the following effects? Messenger RNA is prevented from being made.
It causes cells to divide in an uneven way.
O An additional mRNA strand is caused to form.
The amino acid sequence coded by the gene is altered.

(drag each tile to the correct location.) categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. - a tentative statement used to guide scientific investigations. - makes predictions about future events. - can be tested by many independent researchers. - based on observations of natural phenomena. - a well-established, highly reliable explanation.

Temperatures in ponds and lakes vary by season. select the best answer from the choices provided t f

The many stone tools, fragmentary animal bones, and teeth found at gran dolina, spain, indicate that hominids there? a. processed and consumed animals and other hominids. b. did not differ appreciably from earlier asian homo erectus. c. were similar to later homo sapiens. d. none of the above