Matter can be recycled, while some energy is always converted to unusable forms like heat.

An mRNA molecule with the sequence 5′-CCG-ACG-3′is being read by a ribosome. During translation which of the following tRNA anticodons will be the first to productively bind with this mRNA?

The molecule illustrated in the figure ________.

Which codon on the mRNA strand codes for the amino acid carried by the aminoacyl-tRNA represented in the figure?

If a cell contained a radioactive version of rubisco, where would the radioactivity be located?

Glycogen is formed by the hydrolysis of glucose molecules.

Humans can digest starch but not cellulose because starch is softer than cellulose.

The graph shown below demonstrates the progress of two chemical reactions represented by black and red lines. One of these reactions was catalyzed by an enzyme, while the other was not. Q: Use the following key words to fill in the blanks 1 through 6. activation energy with enzyme, products, progress of the reaction with enzyme, activation energy without enzyme, progress of the reaction without enzyme, reactants    Q: Is this reaction exergonic or endergonic?  

Which of the following effects might be caused by reduced or very little active telomerase activity?

Ratios that focus on the level of a firm’s financial flexibility, including its ability to obtain more debt, are known as