Plant cells do not contain contractile vacuoles. what happens when a plant is watered? the cells swell. the cells shrink. the cells stay the same size.

Explain the rock cycle by describing how an igneous rock can become a sedimentary rock, then a metamorphic rock, and then an igneous rock

It is possible for a cell to make proteins that last for months; hemoglobin in red blood cells is a good example. however, many proteins are not this long-lasting. they may be degraded in days or even hours.

Which of the 5 kingdoms does the grasshopper belong to?

Trace the flow of energy through a typical food chain (describing "what eats what"), including the original source of that energy and its ultimate form after use.

Evidence for the theory that an atom is mostly empty space was supported by research of which of these scientists

Why is regualtion of the cell cycle important?

An object of the same mass has three different weights at diffrent times. Which statement is possible

Skeletal muscle is covered, surrounded and protected by various layers of connective tissue. Which layer of connective tissue would surround a bundle of muscle fibers (muscle cells) ?

View skim and preview are in the same word family as which word A. browse B. ponder C. identify D. illustrate

Which type of t cell is involved in activating macrophages and stimulating development of cytotoxic t cells?