1-2

An example of potential energy is/are A) bonds that hold atoms together. B) energy for creating new molecules. C) dancing. D) running a marathon.

A

Chlorine has an atomic number of 17 and an atomic mass of 35. Therefore, chlorine has ________ electrons and ________ neutrons. A) 17; 18 B) 18; 17 C) 17; 35 D) 35; 17 E) 18; 18

A

Ions in body fluids of a human are referred to as A) electrolytes. B) osmolytes. C) isotopes. D) atoms.

A

The total number of protons and neutrons in an atom can best be determined by A) atomic mass. B) the subscript number following the chemical symbol. C) the atomic number. D) the charge of the atom. E) the chemical symbol.

A

Which kingdom in the Domain Eukarya contains multicellular photosynthesizers? A) Plantae B) Bacteria C) Fungi D) Archaea E) Animalia

A

Which one of the following characteristics applies to both living organisms and nonliving things? A) composed of matter B) capable of reproduction C) capable of storing energy for later use D) capable of growth E) composed of cells

A

Which one of the following is TRUE regarding water?A) Each molecule of water consists of two atoms of hydrogen and one atom of oxygen covalently bonded to each other. B) The oxygen side of the water molecule is partially positive. C) Water is a type of ion. D) Electrons are shared equally between the atoms of water. E) Water molecules are attracted to each other by ionic bonds.

A

Which one of the following sequences is CORRECT in terms of level of organization from least to most complex? A) cells, tissues, organs, organ systems, organism B) atoms, cells, organs, community, population C) atoms, cells, organism, organ systems, ecosystem D) tissues, organ systems, population, cells, organism

A

Which one of the following statements regarding scientific theory is FALSE? A) A scientific theory is a speculation as to the possible outcome of an experiment. B) A hypothesis that has been repeatedly tested over time, and found to be true, usually becomes a scientific theory. C) A scientific theory explains scientific facts with a high degree of reliability. D) As new information is gained over time, scientific theories can be modified. E) The highest status that a hypothesis can achieve is becoming a scientific theory.

A

Which one of the following taxa (subgroups used in classification) applies to humans? A) Mammals B) Protista C) Invertebrates D) Prokarya E) Bacteria

A

Which one of the following is a TRUE statement?

All living things are made up of at least one cell

All of these criteria are used to classify an organism as a member of the plant, animal, or fungi kingdom EXCEPT which one? A) the organism's life cycle B) the means by which the organism transports itself C) the structure or body plan of the organism D) the mode of nutrition of the organism

B

Isotopes of an element have the same ________, but different ________. A) number of electron shells; numbers of protons B) atomic number; atomic masses C) number of neutrons; numbers of protons D) atomic mass; atomic numbers E) name; chemical symbols

B

Lipids are important to biological systems because A) they are solid at body temperature so they stabilize membranes. B) some lipid types are potentially large sources of energy to perform cellular work. C) most help to buffer aqueous solutions in the body. D) all lipids are very soluble in water. E) they are able to store and transmit genetic information.

B

Molecules such as water are referred to as ________ because they are electrically neutral overall but still have partially charged regions. A) electrolytes B) polar molecules C) ions D) covalently charged E) isotopes

B

A mad scientist has ripped apart an atom and collected all the subatomic particles located in the nucleus of the atom. Which one of the following has he collected? A) electrons B) protons C) protons and neutrons D) electrons and protons E) neutrons and electrons

C

A student needs information from the National Institutes of Health, a government agency. Which one of the following endings should he or she look for in the Internet address? A) edu B) com C) gov D) nih E) org

C

The process by which living organisms maintain a fairly constant internal environment despite changes in the external environment is known as A) metabolism. B) biology. C) homeostasis. D) evolution. E) chemistry.

C

Which one of the following best describes the proper sequence of steps involved in the scientific method? a. state hypothesis b. observe c. experiment d. support or disprove hypothesis e. form a prediction A) b, a, d, e, c B) a, b, c, d, e C) b, a, e, c, d D) a, b, c, e, d E) e, b, a, c, d

C

Which one of the following is a CORRECT statement regarding metabolism? A) Few living organisms require raw materials and a constant source of energy. B) Plants get the raw materials they need for life processes entirely from the air. C) Cells maintain life through the breakdown of molecules and energy by chemical and physical processes. D) Cells do not require energy to change molecules from one form to another. E) Animals use energy obtained directly from the sun and chemicals obtained from plants, other animals, air, and water.

C

Which one of the following is the study of matter and the energy that causes matter to combine, break apart, and recombine in everything living and nonliving? A) biology B) geology C) chemistry D) physics

C

According to a recent study of nearly 140,000 women who were enrolled in the Women's Health Initiative, women who breast-fed their babies had a lower risk of developing heart disease and diabetes later in life than women who did not breast-feed their babies. These research findings are an example of A) causation. B) skepticism. C) hypothesis testing. D) correlation. E) deductive reasoning

D

Which one of the following is a kingdom? A) Eukarya B) Primates C) Archaea D) Animalia E) Bacteria

D

Which one of the following is a very important source of energy for nearly all cells A) cellulose B) deoxyribose C) starch D) glucose E) ribose

D

Which one of the following is the lowest level of biological organization in which evolutionary change can occur? A) cell B) organism C) community D) population

D

Which one of the following molecules is stored in adipose tissue and serves as an important source of energy for the human body? A) glucose B) steroids C) glycogen D) triglycerides E) phospholipids

D

Humans possess several characteristics that, when taken together, differentiate them from other organisms. These characteristics include all of the following EXCEPT which one? A) opposable thumbs B) capacity for complex language C) bipedalism D) large brain relative to body mass E) the inability to maintain a constant internal body temperature

E

Sucrose is an oligosaccharide made up of which one of the following sugars? A) glucose and glucose B) deoxyribose and ribose C) starch and glycogen D) maltose and glucose E) glucose and fructose

E

Indicate whether the statement is true or false. Human are only one species of many different primates that prefer to walk upright on two legs.

False

Plants obtain their energy directly from the soil, air, and water in their environment. True or False

False