Homeostatsis & metabolism work together to provide a(n) _______environment.

A system is Most stable when:

A: it has the least amount of energy expenditures

B: it is expending great amounts of energy

C: it is maximizing its energy content

D: the system undergoes perturbations

A: it has the least amount of energy expenditures 

The prefix (Bio-) is Greek for:

What primary factors determine in which phase physical matter will appear as:

Autotrophic organisms will consume other organisms.

A: True

B: False

-The branch of knowledge that deals with living organisms and vital processes.

- The study of life

Disciplines:

Embryology: Study of developing embryos

Cytology:  Study of cells

Physiology:  Study of functions of life

Genetics:  Study of genes & inheritance

What is Vapor Deposition?

The process in which a gas changes directly to solid phase without passing through liquid phase.

ex: frost

What is Sublimation?

The process in which solids change directly to gas without passing through the liquid phase.

ex:  Dry Ice (solid CO2), ear wax

State the three main energy allocations of living organisms:

1. Growth

Acids release H⁺ ion, and accept OH^- ion.

a) True                      b) False

True

Bases release H⁺ ion, and accept OH^- ion.

a) True                      b) False

False

An acidic substance would have a pH of

a)  14

b)  10

c)  5

C)

Note:  On the pH scale 1 - 14, acids are 1 to 6.9, and

bases are 8 - 14.

The bond between Na+ and Cl- would be a(n) _______.

a) Hydrogen bond

b)  Covalent bond

c)  Ionic bond

d)  any of the above, depending on the situation.

C)

Carbon is part of so many biological substances because ______.

a) carbon generally forms two bonds with a variety of other atoms.

b) carbon generally forms four bonds with a variety of other atoms

c) carbon ionizes easily

d) carbon is a polar compound

b)

Freshwater is most dense at approximately ___, due to its hydrogen bonds.

a) 32^oF

b) 0^oC

c) 4^oC

d) 4^oF

c)

Metals:

-metal ions such as (Fe+++) act as electron carriers in ATP production and Hemoglobin.

Functional groups are made up of:

a) polymers

b) monomers

c) elements

d) sugars

c) elements

The main differences and similarities between glycogen and starch is:

a) one is a lipid the other a carbohdrate

b) the bonding between the carbon atoms

c) one is a protein and the other is a lipid

d) the is no difference, they are structurally the same

b)  the bonding between the carbon atoms

______ are macromolecules used by cells as transportable packets of quick energy or as structural & supportive elements.

a) Lipids

b) Proteins

c) Carbohydrates

d) Nucleic acids

c) Carbohydrates

Which of the follwing IS true of chiton:

a) protein storage component in animal cells

b) chemically similar to starch

c) nutrient carbohydrate in plants

d) exoskeleton of insect species

d) exoskeleton of insect species

Maltose:

a) is formed by the dehydration of fructose

b) is linked via a peptide bond

c) is formed by the condensation of two glucose molecules

d) all of the above of true

c) is formed by the condesation of two glucose molecules

Sucrose is a disaccharide that consists of which two monosaccharides?

Glucose & Fructose

Saturated fats have no double bonds between hydrocarbons

Unsaturated fats have one or more double bonds.

Sublimation: Process in which solids change directly to gas without passing through the liquid phase.

ex: dry ice