What percent of DNA is active and important?

Select one:

a. 1%

b. 50%

c. 99%

d. 100%

Explain why estuaries salt marshes and mangrove forests have more variation in salinity than other marine habitats like the ocean and sea floor

If the sperm cells of fish have 12 chromosomes how many chromosomes would be found in the cells forming the gills of the fish

The marine iguanas are the only marine lizard in the world and they live in the Bahamas Galapagos Islands Cayman Islands San Juan Islands

A geneticist found that s particular mutation had no effect on the protein coded by a gene. What do you think is the most likely type of mutation in this gene? and why?

If a cell has the ability to take in water, food molecules, and other necessary materials this indicates it is capable of ... A: Biosynthesis B: Nutrition C: Absorption D: Digestion

Match the food item to its nutrient group. carbohydrates calcium fats proteins vitamins zinc

A restriction enzyme is that complete the sentence

Types of volcanic mountains in terms of shape, type of eruption, and the minerals that make up the volcano

Australopithecines were the ancestors of monkeys. A. True B. False

A mutation that causes a human have 11 toes is (neutral, harmful, or beneficial.)