Enzymes are pH and temperature specific. Which model shows the relationship between the reaction of velocity of an enzyme and temperature?

When you run, you begin to breathe heavier and faster. your heart beats more quickly, bringing more oxygen to your cells. which organ systems are working together here?

What tool do geneticists use to predict the outcome of genetic crosses? a. karyotype b. punnett square c. centrifuge

You are given an electron micrograph of a bacterial cell. in the micrograph you can clearly see three thin layers of different densities surrounding the cell. based on the micrograph, you can infer that this cell is and would appear after application of the gram stain procedure. gram-negative / pink gram-positive / purple gram-positive / pink gram-negative / purple