Which vitamin can be synthesized by the body?
What will be an ideal response?
Vitamin D
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What components of membranes are the most abundant?
a. carbohydrates b. sterols c. proteins d. fats e. phospholipids
The first (capitalized) word of an organism's two-part scientific name denotes the _________.
Fill in the blank(s) with the appropriate word(s).
How could we build a microscope with a higher resolution?
a) Use electromagnetic waves with shorter wave lengths than visible light and use a sensor to produce a picture b) We could drag a tiny needle over the surface of our sample and record the position of the needle to record the surface structure c) Electrons have also wave-like properties; we can use magnets instead of lenses and bombard the sample with electrons instead of light d) All of these answers are good ideas for a high-resolution microscope
Tissues are best characterized as ________ .
a. the smallest units of life b. fundamental units of all substances, living or not c. an organized array of cells that interact in a collective task d. biological complexes made up of smaller units called molecules e. structural units of interacting organs