What is the first category of food macromolecules to be chemically digested by enzymes in the human mouth? question 4 options:

a. nucleic acids

b. membranes

c. carbohydrates

d. lipids

e. proteins?

Which of the following is a characteristic of the plant cells but not of animal cells

In the structure of a muscle, several fascicles lie bundled together to form a muscle, just as several (a. bone cells b. ligaments c. osteons) lie together to form compact bone tissue.

Which of the following modifies and smoothes the respiratory pattern? A) pontine respiratory centers B) ventral respiratory group (VRG) C) dorsal respiratory group (DRG) D) diencephalon

If a scientist observes a polypeptide chain arranged in a spiral turns that rise upward and held in place by hydrogen bonds, what level of structure arrangement are they looking at?

What impact does sunlight have on the marine environment? A Light from the sun shows animals where they need to migrate. B Sunlight makes colors more visible, improving animal communication.

Cell engulfs microorganisms in cell "eating": pinocytosis active transport phagocytosis passive diffusion facilitated diffusion

Which kind of organism is an autotroph? consumer producer decomposer herbivore

Which process connects glycolysis and the citric acid cycle?

Reform movements of the 1800's was most likely influenced by what event in Europe? A. Governments were slow to act. B. Populations were increasing rapidly. C. Revolutions were spreading across Europe. D.

What's the definition of chemical energy