A gene cannot react chemically and form a trait without the proper what

Which statement is true of the electromagnetic spectrum? A) The lower the radiant energy, the higher the frequency and the shorter the wavelength. B) The higher the radiant energy, the higher the frequency and the longer the wavelength.

Which organisms are most closely related? remember, the name of an organism is in the form genus species. a. bufo quercicus and hyla cinerea b. rana capito and rana clamitans c. ambystoma maculatum and chrysemys picta d.

A blockage in a blood vessel leading to the brain may cause an area of the brain to stop working and die. Which term is used to describe this condition? A) stroke B) heart attack C) arteriosclerosis D) electrocardiogram

Prokaryotes are found in

Which of the following correctly lists the products of cellular respiration?

The nurse is educating the parents of a 5-year-old girl with infectious conjunctivitis about the disorder. which information is most important to provide to prevent the spread of the disorder

Which is an example of the way matter cycles through the bodies of living things? A) A fish swims in the ocean. B) The sun heats up a rock. C) One animal eats another animal. D) Trees convert sunlight to energy.

Which of the following substances is used up during photosynthesis? Oxygen Sugar Sulfur dioxide Water

What is the role of mouth

Which atoms are found in all carbohydrates?