Which of the following is an essential role played by large intestine bacteria?

A. produce gas

B. absorb bilirubin

C. synthesize vitamin K and B-complex vitamins

D. synthesize vitamins C and D

Which of the following is the best definition of alternative energy?

Which of the following is an example of a producer? Tree Hawk Rabbit Mushroom

Energy flow in plants - - concept map plants are best known for their ability to perform photosynthesis, the process by which light energy is converted to chemical energy in the form of sugars. but plants don't just make sugars; they use them, too.

Select the correct statement regarding chemical synapses. A) Cells with gap junctions use chemical synapses. B) The release of neurotransmitter molecules gives cells the property of being electrically coupled.

How does the angle of sunlight affect the amount of energy received at Earth's surface?

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.