Chemical substances that carry messages from one neuron to the next are called select one:

a. agonists.

b. neurotransmitters.

c. hormones.

d. antagonists.

In addition to light what are plants dependent on

What are the factors that contribute to earth's climate

Suppose u saw a small organism move across your book would u conclude that this organism was unicellular or multicellular?

Tools and instruments used to puncture or invade the skin must be sterilized or designed to be

What percentage of the energy that was originally absorbed by the oak leaves is passed on to the caterpillars?

Read the list of common household substances. Antacid, orange juice, toothpaste, vinegar Which of these substances are likely to have a bitter taste? Antacid, vinegar Antacid, toothpaste Orange juice, vinegar Orange juice, toothpaste

Which of the following do fish NOT use to breathe? A. air bladder B. pharyngeal slits C. pores on their back D. olfactory bulbs

Imagine a protein that has been engineered to contain a nuclear localization signal, a nuclear export signal, a C-terminal peroxisomal targeting sequence, and a canonical endoplasmic reticulum (ER) signal sequence.

Which organelle receives protein from endoplasmic reticulum and sorts and packages it for delivery outside cell?

Eukaryotic cells have many different specialized structures that are involved in making, organizing, and delivering a protein molecule. Describe the four organelles that are involved and the sequence of events of this process.