Which of the following is a major cause of the size limits for certain types of cells? a) the evolution of larger cells after the evolution of smaller cells b) the difference in plasma membranes between prokaryotes and eukaryotes c) the evolution of eukaryotes after the evolution of prokaryotes d) the need for a surface area of sufficient area to allow the cellʹs function e) the observation that longer cells usually have greater cell volume

Which is an important function of normal flora? a. aid with bone marrow production. b. crowd out pathogenic bacteria. c. destroy digestive track pathogens. d. manufacture iron in the bloodstream.

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.

Discuss cell surface transport in the structure of constituents