Molecules & Cells- Exam 1

A combination of all quiz questions from modules, 1, 2, 3, &, 4

The type of logical thinking that uses related observations to arrive at a general conclusion is called:

Inductive reasoning

Determine if the following statement is an example of inductive reasoning or deductive reasoning.

"In an observation of 3000 ravens, all of them have black feathers. Therefore, all ravens must have black feathers."

Inductive reasoning

Which of the following is a limitation of science

All of the above are limitations of science

Imagine that you want to determine how exercise affects heart rate. In your experiment, five student volunteers measured their resting heart rate after sitting for five minutes and again after running on a treadmill for five minutes. What was the dependent variable of this study?

Heart Rate

Viruses are acellular microorganisms that are not considered to be fully "alive" because..

Viruses cannot reproduce independently without a host cell

An organ system

largest in size and has the greatest complexity

DNA

is an example of a macromolecule

Which of the following features are included in Modern Cell Theory

Cells arise from pre-existing cells

Which of the following is not a characteristic of living things?

Living things do not react or respond to their environment.

Choose the answer choice that correctly completes the following statement: An atom that has gained an electron has a _________ charge and is known as ________.

Negative, an anion

Which of the following types of chemical bonds makes up the majority of the core structure of biological molecules?

Covalent bonds

Which of the following statements is true?

Noble gasses are atoms will full valence electron shells

Which of the following chemical bonds is the weakest?

Hydrogen bond

The chemical property of water that determines its state of matter under different temperature conditions is:

Option C

Hydrogen bonds between water molecules

Covalent Bond

A chemical bond arising from the sharing of electrons.

Ionic bond

A chemical bond arising from an attraction between positively and negatively charged atoms.

Hydrogen bond

A chemical bond arising from an attraction between partially charged atoms on neighboring molecules.

Hydrophobic interaction

The grouping or aggregating of non-polar molecules when in a polar environment.