An elements can be determines by looking ay the number of protons

Which of these is not supported by the endosymbiosis theory concerning organelles? A) contain DNA. B) contain ribosomes. C) are capable of living independently. D) are surrounded by a double membrane.

Which method is the best way to determine an ecosystems biodiversity? A. Weigh all the species, and measure their total biomas. B. Locate the keystone species, and identify any species that depends on it. C.

Why is glucose oxidized and gotten reduced in cellular respiration

What is your stance on genetically modified foods? Are you for or against them?

What instrument needed to be developed before cells could be discovered?

What are the expected outcomes associated with digoxin therapy? select all that apply?

All of the members of particular species that live in the same area are called

Antibiotics are routinely introduced into the food of cattle, chickens and other livestock, which causes the animals to grow faster. Since the cost of antibiotics is low, the use of antibiotics is an easy way to achieve faster weight gain in animals.

Which of the following is NOT a type of air pollution? a. acid rain b. mercury c. ozone d. oxygen

What are the effects of Chernobyl