16. Which of the following is used to form covalent bonds in the sugar-phosphate backbone between fragments of DNA? O A. Ultrafiltration
O B. Restriction enzymes
O C. Centrifugation
O D. DNA ligase

Many people try to eliminate fat from their diets. which is one reason it is necessary for humans to eat fat? a. eating fat is the fastest way to get energy. b. fat eliminates triglycerides from the body. c. saturated fats clear out the blood vessels. d. fat nerves transmit signals. , this is for apex in summer school.

What are the characteristics of living things

Why would a drug the damages capsids treat a viral infection