Bio Final

The principle role for sugars in living things is to

serve as a form of immediate cellular energy.

Using their lateral line organ, fish can perceive and react to changes in water currents caused by prey and predators. This is an example of

response to the environment

Deoxyribose is a sugar found in

DNA only

Which of the following can be categorized as prokaryotic?

Domain Bacteria

Which of the following correctly lists the classification categories from most to least inclusive

Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species

What do lemons, tomatoes, and coffee all have in common chemically?

They all produce H+ ions in solution, making them acids.

Which one of the following is the smallest unit of matter that has all the properties of an element?

atom

The four main categories of organic macromolecules are

carbohydrates, lipids, proteins, nucleic acids

When populations of different types of organisms interact in a given area, they comprise a(n)

community

A triglyceride is formed when three fatty acids join a glycerol by

dehydration synthesis reactions

Which one of the following is a main function of proteins?

enzymatic activity

An atom with a neutral charge has

equal numbers of protons and electrons

Which of the following is a property of bases?

feel slippery to the touch

humans store glucose as

glycogen

When a positively charged hydrogen in a water molecule become attracted to the negatively charged oxygen in a nearby water molecule, this is referred to as a(n)

hydrogen bond

An atom that has an electrical charge is called a(n)

ion

In a dehydration reaction, ________ In order for this to occur water is _______

monomers are joined to become a polymer; removed

When starch is digested, water molecules are used to break the bonds holding the _________ subunits together.

monosaccharide

The process of ________ leads to organisms that are ________ that environment.

natural selection; adapted to

The subatomic particles that are found within the nucleus of an atom are the

neutrons and protons

A saturated fat has

no double bonds

The atomic structure of water satisfies the octet rule by having

oxygen share electrons with two hydrogen atoms.

Starch is a _______ made of many _______

polymer...glucose molecules

Plants store glucose in the form of

starch

The number of neutrons present in the nucleus of an average atom of any given element is best estimated by

subtracting the number of protons from the mass number

The pH scale is a mathematical indicator of the

the concentration of H+ present in a solution

How are lipids different from other categories of biological molecules?

they are hydrophobic

Hydrolysis of maltose, a disaccharide, results in

two monosaccharides

Which of the following property of water explains why a wet glass slide sticks to laboratory counter?

water is adhesive