In a healthy human, the typical life span of a red blood cell is

How are fats different in composition from carbohydrates?

Jennie is driving her car on vacation. It is a 195 km drive from Jennie's house to her vacation spot. She takes 5 hours to get there. What is Jennie's average speed? A. 39 km/hr B. 195 km/hr C. 80 km/hr D. 474 km/hr

Describe the types of organisms that are classified into the archaea domain

Describe what happened when the paramecium populations were mixed in the same test tube. do the results support the principle of competitive exclusion? (you may need to briefly explain competitive exclusion i. e.

Which of the following refers to an organism's ability to maintain constant conditions within its body? a. metabolism b. homeostasis c. stimuli d. sexuality

Which of the following is not correct about the nucleus of an animal cell

What is the difference between an embryophyte and a spermatophyte?

A lion eating a zebra is an example of which characteristic of life? a.) having cells b.) responding to its environment c.) using energy d.) growing and developing

What is the function of mucus in the stomach?

Roteins work? b. form a hypothesis write a hypothesis about what you think would happen if cyclin were injected into a cell during mitosis. how could you test your hypothesis?