7) Phospholipids are important in the structure of:

A) cell walls.

B) cell membranes.

C) steroids.

D) maltose.

E) proteins.

The inferior vena cava brings blood from the lower regions of the body and empties into the:

CCl4 → C + 2Cl2 is what kind of reaction

Which term refers to the transfer of thermal energy through the rising of warm particles and sinking of cool particles in a fluid

most animal cell membrances have protein that pump ___ ions out of the cell potassium ions into the cell

Which is the correct sequence of events during embryonic development? (A) cleavage - differentiation - fertilization - gastrulation (B) differentiation - fertilization - gastrulation - cleavage (C) fertilization - cleavage - gastrulation -

1. true false Carbon atoms form the building blocks of most living things.

Inhibiting enzymes involved in cell wall synthesis leads to which of the following? A) cell death by osmotic lysisB) a reduction in protein synthesisC) the incomplete synthesis of the bacterial cell wallD) a reduction in the amount of usable energy

In the 20th century where did the most ecologically destructive oil spill in the US

Which of the activities listed below are functions of the Lymphatic System? 1 transports lipids to the blood 2 transports lipid-soluble vitamins to the blood 3 drains excess interstitial fluid from tissue spaces and returns it to the blood 4

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