Which organism below is a prokaryote?

horse

human

dog

bacteria

How is E. coli like a paramecium A both produce essential viatimins B both are unicellular C both have a contractive vacuole D both have a nucleoid

two-piece plants with yellow peas are crossed most of their offspring have yellow piece but about 25% of The Offspring have green peas for pea color yellow is the dominant trait and green is the receptive trade what does this tell you about the two

Which of the following types of muscle fibers are best adapted for prolonged contraction such as standing all day? A) uninucleated fibers B) striated fibers C) fast fibers D) slow fibers E) intermediate fibers

Protein folding is determined by 1. None of these 2. All of these 3. how amino acids interact with water. 4. the sequence of the amino acids. 5. how amino acids interact with each other

Melissa is walking around barefoot and steps on a sharp nail. She feels the pain and immediately pulls her foot off the ground away from the nail. Which neurons were involved in her response?

Anaerobic photoautotrophs were the first organisms to release oxygen into the early atmosphere. True False

The wetland where a species of wading bird nests and hunts for food is drained to make way for a housing development. This is an example of A.) selective cutting B.) habitat destruction C.) conservation D.) habitat fragment

The Paleolithic Age is characterized by ... Select one: A. domestication of animals B. the beginning of agriculture C. hunting and gathering existence D. both a and b

Scientists have genetically engineered potato plants to produce potatoes that contain edible vaccines. which is a disadvantage of the genetically engineered potatoes?

What are the environmental pressures of the plant the cactus?