Materials essential to life processes move across a cell membrane through a variety of methods. what cell membrane structure allows water-soluble materials to be passively transported to the cytoplasm?

a. hydrophilic phospholipid tails
b. golgi complex vesicles
c. carrier proteins
d. endocytosis vesicles

Which of the following protists gets nutrients mainly by absorbing molecules from other organisms through their cell walls and cell membranes? a. amoebas b. water molds c. ciliates d. slime molds

Ry was studying two populations of the same species of lizards. one population lived on an island and the other lived on the mainland. both populations were affected by a hurricane that hit the island and the mainland with equal force. a year later, henry was testing the gene frequency and saw a decrease in genetic variation in the island species, but not in the mainland species. which best describes a conclusion he might have reached? gene flow greatly affects small populations, but large populations can recover. genetic drift greatly affects small populations, but large populations can recover. gene flow greatly affects large populations, but small populations can recover. genetic drift greatly affects large populations, but small populations can recover.

What abo controlling alleles could kim give her child