General Biology 115 Exam 1 questions

Long Term Potential (LTP) can last for days or weeks in dissected tissue; it is thought to represent one of the fundamental processes by which memories are stored and learning takes place. To achieve LTP, which learning strategies should you, as a student, employ?

I. Taking active notes in lecture.

II. All-night cram sessions the night before an exam.

III. Pre-skimming the readings from the textbook.

IV. Carefully reading the entire textbook and taking detailed notes.

V. Reviewing the material from class and workshop on a regular basis.

I,III, and V

Place the following steps of long-term memory formation and use in the CORRECT order.

I. encoding into short-term memory storage

II. sensory memory storage

III. retrieval into short-term memory storage

IV. encoding into long-term memory storage

a. I, II, IV, III

b. II, I, III, IV

c. I, III, II, IV

d. II, IV, I, III

e. II, I, IV, III

e. II, I, IV, III (sensory memory storage, encoding into short-term memory storage, encoding into long-term memory storage, retrieval into short-term memory storage)

Which of the following accurately describes neuronal plasticity?

a. It involves cell death.

b. It takes place after birth

c. It is use dependent

d. a and b

e. b and c

e. b and c (It takes place after birth) and (It is use dependent)

Place the following levels of biological organization in order from broadest to narrowest.

I. Population

II. Cell

III. Biosphere

IV. Community

V. Organism

a. II, V, IV, I, III

b. III, V, IV, I, II

c. II, V, I, IV, III

d. III, IV, I, V, II

e. III, I, IV, V, II

d. III, IV, I, V, II (Biosphere, community, Population, Organism, Cell)

What is the one theme which unifies all other concepts biology?

a. molecular biology

b. ecology

c. hierarchies

d. evolution

e. chemistry

d. evolution

Which of the following are themes of biology that are covered in Bio 115?

I. Energy

II. Chemistry

III. Cellular Biology

IIII. Evolution

a. III, IV

b. I, II, IV

c. IV only

d. I, II, III, IV

e. I, III, IV

d. I, II, III, IV (Energy, Chemistry, Cellular Biology, Evolution)

In the scientific process, what step follows identifying a problem or question?

a. analyzing data

b. generating a hypothesis

c. making predictions

d. gathering background information

e. conducting an experiment

d. gathering background information

You've just evaluated the results of an experiment, and they did not support your hypothesis. What do you do next?

I. reevaluate and revise your hypothesis

II. reevaluate and revise your predictions.

III. conclude that your hypothesis was incorrect

IV. revise your experimental design and repeat

a. II and III

b. I or IV

c. III only

d. III and IV

e. I only

b. I and IV (reevaluate and revise your hypothesis, revise your experimental design and repeat)

Which of the following is an example of emergence?

a. A population is comprised of many individual organisms.

b. A bicycle can be broken into many smaller mechanical parts.

c. A water molecule has serval unique properties that are not observed in H or O alone.

d. When covalent chemical bonds form, the resulting compound can be considerably larger than the original molecules.

e. Earth is the only planet known to support life.

c. A water molecule has serval unique properties that are not observed in H or O alone.

Eukaryotic cells are characterized by the presence of various membrane-bound organelles including the nucleus, smooth endoplasmic reticulum, and Golgi apparatus. Which of the following statement CORRECTLY describes the emergent properties of cells?

a. Study of isolated organelles does not necessarily predict how intact cells react under the same conditions.

b. The emergent properties of cells are understood by studying the function of isolated organelles.

c. The concept of emergence cannot be applied to prokaryotic cells because they do not have organelles.

d. Understanding the function of individual organelles provides a complete picture of how intact cells function.

e. The emergent properties of cells provide evidence of how eukaryotes arose from prokaryotes.

a. Study of isolated organelles does not necessarily predict how intact cells react under the same conditions.

What subatomic particle(s) contribute to the atomic mass of an atom?

I. Protons

II. Neutrons

III. Electrons

a. III only

b. II only

c. I only

d. I and II

e. I, II, and II

d. I and II ( Protons and Neutrons)

What type of chemical bond results when two elements with the same electronegativity form a bond?

a. Van der Waals interaction

b. Ionic bond

c. polar covalent bond

d. Non- polar covalent bond

e. Hydrogen

d. Non- polar covalent bond

The Specific heat of water is 4.5 times greater than that of aluminum. What will happen if 1 g of water and 1 g of aluminum are each exposed to the same amount of heat under identical conditions?

a. The water temperature will change more slowly than the aluminum temperature.

b. The temperature of the water will change at a faster rate than in the aluminum.

c. The water will be converted from liquid to gas faster than the aluminum will be converted from solid to liquid.

d. Hydrogen bonds in the water will break at a faster rate than in aluminum.

e. The water will undergo evaporative cooling at a faster rate than the aluminum.

a. The water temperature will change more slowly than the aluminum temperature.

Which of the following functional groups is basic and is also found in amino acids?

a. -COOH

b. -NH2

c. -OH

d. -C=O

e. -CH3

b. -NH2

Which of the following is a CORRECT explanation for why ice floats in liquid water?

a. In ice, ionic bonds between adjacent molecules result in a crystal structure.

b. In ice, each molecule is hydrogen-bonded to five other molecules.

c. Ice has fewer molecules than an equal volume of liquid water.

d. The hydrogen atoms in ice are less dense than those in liquid water.

e. In ice, there are more hydrogen bonds between oxygen atoms than in liquid water.

a. In ice, ionic bonds between adjacent molecules result in a crystal structure.

Water tends to rise in a thin glass tube as a result of ____ between the water and glass.

a. cohesion

b. electronegativity

c. gravity

d. covalency

e. adhesion

e. adhesion

What properties are shared between amino and hydroxyl groups?

a. are polar

b. contain nitrogen

c. contain carbon bound to hydrogen

d. are charged

e. contain double bonds

a. are polar

Which of the following form polymers?

I. carbohydrates

II. Lipids

III. Proteins

IIII. Nucleic acids

a. I, II, IV

b. I, II

c. I, II, III, IV

d. II, III, IV

e. I, III, IV

e. I, III, IV

You've isolated a large polymer. Its monomers contain both positively and negatively charged groups, and often also have non polar components. You decide to investigate the specific functional groups involved. What do you expect to find?

a. carboxyl and amino groups are charged, sulfhydryl groups are non polar

b. carboxyl and amino groups are charged, methyl groups are non polar

c. Methyl and hydroxyl groups are charged, carboxyl groups are non polar.

d. hydroxyl and carbonyl groups are charged, carbonyl groups are non polar

e. sulfhydryl and carboxyl groups are charged , amino groups are non polar.

b. carboxyl and amino groups are charged, methyl groups are non polar

A new snake has been discovered in Southern Australia and its venom has been chemically analyzed. It has been determined that there is just one type of macromolecule present in the venom and it consists of several slightly different monomers. The polymers are held together in a complex 3-dimensional shape by both hydrogen bonds and covalent bonds. What type of monomer is present in the venom?

a. RNA

b. glucose

c. triglyceride

d. protein

e. amino acid

e. amino acid

Which of the following is a common characteristic of non polar functional groups?

a. Hydrogen bound to oxygen.

b. Highly electronegative atoms bound to hydrogen.

c. Hydrogen bound to nitrogen.

d. Hydrogen bound to carbon

e. A double bound between oxygen and carbon.

d. Hydrogen bound to carbon