Help please! 1. Which of the following is not a function of the cell membrane?

A. Supporting the cell wall
b. Delimiting the cell, separating its internal environment from the external environment.
c. Detecting external environment signals
d. Protecting the cell against the action of various agents

Vessels draining the myocardium of the heart, open primarily ,into which chamber?

In the desert, saguaro cacti, owls, horned lizards, and fire ants all share the same space. which of the following can be considered a population? question 9 options: all plants in the same area all cacti in the same area all species in the same area the lizards and the ants

Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed