In a metabolic pathway, multiple enzymes are working together in a multistep process.

Hydrophilic molecules tend to be ________ by water.

Which of the following is the reason that carbon is the basis for all macromolecules?

Water is a polar molecule because:   

Substrates bind to enzymes in the active site.

Facilitated diffusion occurs with the help of which proteins?

Which of the following is an example of a molecule being reduced?

Domesticated sheep cells have a total of 54 chromosomes in a somatic (diploid) body cell. Match each question to its correct answer, respectively: How many chromosomes are present in a sheep liver cell at the end of the S stage of interphase?                                                        How many chromosomes are present in the daughter cells after meiosis II in the ovary of the sheep?                                               

Covalent bonds occur through a “sharing” of electrons.

Eukaryotic cells require oxygen to ______________.