The structure of the cell membrane is what allows water and other molecules to move in and out of cells. true false

Which of the following birds remained ancient looking in the miocene epoch? a. crows b. owls c. grouses d. none of the above

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes