Chapter 3,4,5 Bio

In a single molecule of water, 2 hydrogen atoms are bonded to a single oxygen atom by...

the partial negative charge at one end of a water molecule is attracted to the partial positive charge of another water molecule

water molecules can form hydrogen bonds with

which of the following can be attributed to waters high specific heat

The cities of Portland, Oregon, and Minneapolis, Minnesota, are at about the same latitude, but Minneapolis has much hotter summers and much colder winters than Portland. Why?

Which of the following takes place as an ice cube cools a drink?

Why does ice float in liquid water?

Hydrophobic substances such as vegetable oil are _____.

One mole (mol) of glucose (molecular mass = 180 daltons) is _____.

diagram #1

how many gram would be equal to one mole of a compound shown in the figure above

diagram #2 heat lamps

consider the following reaction at equilibrium CO2 + H2O ..... What would happen if you added additional.

A 0.01 M solution of a substance has a pH of 2. What can you conclude about this substance?

time of bubbling

The complexity and variety of organic molecules is due to

Stanley Miller's 1953 experiments proved that

When Stanley Miller applied heat and electrical sparks to a mixture of simple inorganic compounds such as methane, hydrogen gas, ammonia, and water vapor, what compounds were produced?

Why is carbon so important to biology?

Why are hydrocarbons insoluble in water?

What determines whether a carbon atom's covalent bonds to other atoms are in a tetrahedral configuration or a planar configuration?

The two molecules shown above in the figure above is best describes as

Which of the following statements conceming saturated fats is not true?

A 0.01 M solution of a substance has a pH of 2. What can you conclude about this substance?

Lipids...

Which of the pairs of molecular structures shown below depict enantiomers (enantiomeric forms) of the same molecule?

The molecular formula for glucose is C6H12O6. What would be the molecular formula for a molecule made by linking three glucose molecules together by dehydration reactions?

Which polysaccharide is an important component in the structure of many animals and funi?

On food packages, to what does the term insoluble fiber refer?

A molecule with the chemical formula C6H12O6 is probably a

Lactose, a sugar in milk, is composed of one glucose molecule joined by a glycosidic linkage to one galactose molecule. How is lactose classified?

A glycosidic linkage is analogous to which of the following proteins?

Cooking oil and gasoline (a hydrocarbon) are not amphipathic molecules because they _____.

the molecule shown in Figure 5.3 is a

Which of the following is the strongest evidence that protein structure and function are correlated?

If Darwin had been aware of genes, and of their typical mode of transmission to subsequent generations, with which statement would he most likely have been in agreement?

The role that humans play in artificial selection is to choose which organisms breed, and which do not

Currently, two extant elephant species (X and Y) are placed in the genus Loxodonta, and a third species (Z) is placed in the genus Elephas. Thus, which statement should be true?

Currently, two extant elephant species (X and Y) are placed in the genus Loxodonta and a third species (Z) is placed in the genus Elephas. Assuming this classification reflects evolutionary relatedness, which of the following is the most accurate phylogenetic tree?