In which specimen were cells first identified?

microorganism

cork bark

DNA

mitochondrion

An ongoing process where new rock is created from old rock is called?

The reactions of the calvin cycle are not directly dependent on light, but they usually do not occur at night. why?

What 3 factors are likely to contribute to obesity in a typical 10-year-old child?

Which of the following best explains what a forward contract is

Which structures are common to both plant and animal cells? Check all that apply. nucleus O cell wall O cell membrane Ochloroplast Ocytoplasm Omitochondrion

What algae is golden brown and one of the most common of all the unicellular organism in the ocean?

What is the name of the enzyme that adds new nucleotides to build mrna

If two people want to know the chances of their child have a certain genetic disorder, the parents must know their

Which of the following constitutes the primary structure of a protein? A. The folding of a polypeptide chain B. The linear sequence of amino acids in a polypeptide chair C. The polypeptide chains stacked on top of each other D. A pleated sheet E.

Most food chains have no more than six organisms. why is there a limit to the number of links in a food chain? a. animals at the end of the food chain would have too much food available. b.