Under which circumstances must facilitated diffusion be used instead of simple diffusion?

Which state of matter keeps its shape? Group of answer choices

A state in the United States wanted some funds for protecting its wildlife. However, the Wildlife Conservation and Restoration Program and the State Wildlife Grants Program denied funds to that state for the proposed program.

Cilia are composed of microtubules. How are microtubules different from the other cytoskeletal filaments?

A woman is taking a hike and sees a rattlesnake appear on the path near her feet. She is startled and as a result, her heart rate increases and she runs in the opposite direction.

Which muscle tissue moves food in the digestive tract? a. cardiac b. neurons c. smooth d. skeletal

How would the lack of water affect cellular respiration?

Different types of normal tissues in the human body have different mitotic indices. From the following list, which normal tissues would you expect to have the highest mitotic index: muscle, skin, kidney, or lung? Explain your answer.

A group of scientists decided to post their research results on the Internet instead of publishing in a scientific journal. What part of the scientific process have they skipped and why does it matter?

How does the structure of DNA allow it to complete the process of replication?

Which of the four types of organic compounds serve as an energy source for cells?