serves as a selective barrier for the cell, meaning that it allows some things to pass into or out of the cell but not others.

based on the size scale indicate by the micrographs in a cellular slime mold fruiting body a millimeter - micrometer-, or nanometer-scale structure? how does the size of a fruiting body compare with that of the cells you observe earlier?

If body temperature is too high some blood vessels increase in size and sweat glands will excrete sweat resulting in a lower body temperature these changes are an example of

A person will most likely develop aphasia as a result of damage to which parts of the brain?

What property of a hormone would allow it to pass unassisted through a plasma membrane?

A 28-year-old female presents with severe chest pain and shortness of breath. She is diagnosed with pulmonary embolism, which most likely originated from the:a. Left ventricleb. Systemic arteriesc. Deep veins of the legd.

Can energy be transferred from animal to animal

The more stomata the more water loss?

Why does it take a long time to develop a new variety of tomato? A. Changes in traits happen gradually, over many generations. B. Many plants resist change. C. Tomatoes cannot acquire new traits. D. A species cannot change over time.

Select the one true statement. Vacuoles store nutrients, water, and waste in animal cells. Plant cells can have chloroplasts but do not have a cell wall.

Using water more effectively A. Protects the environment B. Causes the loss of natural pollution filters C. Increases with contamination D. All of the above