Which of the following is a characteristic of compounds but NOT of mixtures

A.) retention of the properties of the original elements

B.) not easily separated

C.) not created by a chemical reaction

D.) involve blending but not bonding

How dose a change in the sequence of nucleotides in a strand of DNA might cause a protein to malfunction

Which evolutionary mechanism is also called "survival of the fittest"?

What drives the global conveyor belt

A large hole that opens up in the ground as a result of over pumping groundwater is a

What is an allele? A. form of gene B. a type of virus C. a group of chromosomes D. a group of proteins (this is from apex)

Whats a pure substance that cant be broken down into simpler substances by chemical or physical means

The relationship between a gene and a messenger RNA is as follows:a. mRNAs are made from genes. b. Genes are made from mRNAs. c. mRNAs make proteins which then code for genes. d. Messenger RNA is directly responsible for making Okazaki fragments. e.

What is a real life example of ecosystem

Molds and mushrooms are both

What is the Hubble space telescope?