What type of producers are found in aphotic zones?

Which of the following decreases the activation energy necessary to initiate the chemical change within the body? amino acids fatty acids enzymes nucleotides

What kinds of substances besides water can be involved in hydrogen bonding

Explain why precise knowledge of the stimulus is critical in a task estimating auditory sensitivity.

Scientists use the ___ scale to measure the extent of shaking, or intensity, of an earthquake. A. moment magnitude B. Richter c. Moditied Mercalli

Which of the following is true of cells in batch culture? Cells never reach exponential growth rates. Metabolic wastes do not accumulate. Cells will not remain at a constant mass. New batches of media are added during culturing.

Why is the sequence of DNA important? A. It is used to create copies of cells. B. It makes sure there will be no mistakes in the information. C. It determines protein structure. D. It is needed to build new kinds of organisms.

Grass->Rabbit->Snake->Eagle In this food chain, what is the role of the snake?

How would u know if you were looking at a rock that have undergone oxidation?

How are patients typically infected with listeriosis?

During what process do two protists exchange genetic material? a. cell division b. meiosis c. conjugation d. mitosis