What does the D in DNA stand for?

a. the name of the base that makes it up

b. the number of strands that form it

c. the kind of macromolecule it is

d. the name of the sugar that makes it up

Unlike matter, energy is not cycled through an ecosystem

In which phase of meiosis will sister chromatids seperate and move to opposite ends of the cell?

Which body regions are part of the cephalic region? frontal and lumbar scapular and occipital occipital and frontal lumbar and scapular

A 2 inch, f/4 reflector has a focal length of. A) 2 inches B) 4 inches C) 6 inches D) 8 inches

Which of the following is not a negative feedback mechanism of homeostasis in controlling human body temperature (thermoregulation) ? A. Shivering B. Sweating C. Insulin Secretion D. Vasodilation

The movement of water is able to transport minerals and nutrients. Which statement best explains why water is able to do this? A. Water is an excellent solvent. B. Water absorbs heat energy. C. Water has a density of one gram per milliliter. D.

Maintains a constant body temperature even when external temperature changes external temperature sets the internal temperature internal temperature constantly changes A. endotherm B. ectotherm C. poikilotherm

Which of the following statements regarding the control of C. botulinum in canned sauerkraut is not correct? a. salt in the sauerkraut inhibits the growth of C. botulinum bacteria b. an acidic pH (less than 4.

What are some careers involving animals? I want to become a vet, but are there other options?

Wind that blows from land to offshore causes