BIO 101 Study Review for Exam #1

When the brain, nerves, cardiac muscles and heart work together to produce a heartbeat, this is an example of a/an:

In a cup of coffee with creamer and sugar, what is the solvent?

The biosphere consists of everything on Earth and is limited at that.

What is the first step of the scientific method?

Which of the following determines the atomic number of an atom?

Which of the following is not true of a hypothesis?

Substances used in medicine or used as dyes in PET scans and other scans to diagnose cancer & other diseases:

Probability in an experiment is more accurate if low and acceptable if <5%.

How can you calculate the number or protons and the number of neutrons in an atom?

Groups of cells with a common structure and function are:

Data analysis is represented by line graphs, bar graphs and pie charts.

Which of the following subatomic particles spins around the atom in shells and determines the reactivity of the atom?

A group of similar, interbreeding organisms, such as bacteria growing on a petri dish, yeast, or humans, represents a:

Two or more atoms bonded together, such as O₂, represent a/an:

Model organisms and model systems can be used to test the

The pH of ammonia, around 11, means that it is:

All of the changes that occur beginning from the time of fertilization and continuing through adulthood:

In a neutral atom, the number of protons is always less than the number of neutrons.

Unstable and break down over time, releasing radiation and subatomic particles:

These differ due to the number of neutrons but have the same number of protons:

Theory of evolution is considered the unifying concept of Biology.

The cause of stomach ulcers:

A medication with a pH of 7.0 that either takes up excess H+ ions from a solution or excess OH- ions from a solution is:

Biology specifically defines "a way of knowing about the natural world."

Which of the following is not a variable?

Standard deviation or standard error tells how certain a particular value is.

In a controlled experiment or test, the results of the controls should always match each other.

Molecules that attract water are all of the following EXCEPT:

A fish is an example of a/an:

Which of the following subatomic particles has a negative charge?

Which of the following DO NOT have a true nucleus?

A buffer excretes excess H+ and OH- ions to a solution.

Not all mutations are harmful because some contribute to variety and uniqueness.

Which of the following represents a solution?

Which of the following is the least reliable resource to publish or access results or journal information?

What does "polarity" mean?

The determination about whether the hypothesis is supported or not based on data and facts is:

Inductive reasoning is using creative thinking to combine isolated facts into a cohesive whole.

Each unit or number on the pH scale is ___ more than the previous unit

Changes or mutations that enable an organism to live in a changing environment or blend in for survival (ex:fish scales)

Information (results) are defined as

Which of the following has a true nucleus?

The ability of water molecules to stick together and to each other in a droplet is:

The set of procedures to test the hypothesis is the

A way of knowing about the natural world is the definition of:

Since ice is more dense than water, the molecules are more tightly packed together and ice sinks.

Which of the following would you find somewhere extremely salty like the Dead Sea or extremely hot like a hot spring?

The smallest part of an element that cannot be broken down further by chemical means is a/an:

Biology is defined as:

Which of the following represents an acidic pH?

Shows the relationship between 2 or more quantities and represents moving or changing data and points that are plotted:

The experimental variable is plotted on the vertical y-axis, whereas the result is on the horizontal x-axis.

Which of the following is the atomic symbol for sodium based on its Latin meaning?

Tissues that function together for a specific task, such as heartbeat, are:

Which of the following have a neutral charge?

An ecosystem consists of the biotic and abiotic components of life.

The general public needs to have an understanding of science to make informed decisions about our futures and our world.

The type of bonds that occur in molecules like NaCl, as opposite charges attract, 1 donates & 1 accepts an electron is:

Growth is a/an:

Using your senses to recognize signs and symptoms would fall under which step of the scientific method?

Predictions are both subjective (based on facts) and objective (based on personal judgement, feeling or opinions).

Which subatomic particles can you expect to see in the nucleus or core of an atom?

Acidic solutions contribute H+ ions to solution, whereas basic solutions contribute OH- ions to solution.

"If...Then..." logic describes:

The type of weaker bonds that hold water molecules together & account for properties of water are:

Which of the following is not one of the benefits of radiation?

When the blood pH falls below 7.35 due to illness or injury, this can result in:

A tentative explanation for a natural event is a/an:

Organisms of the same species in a particular area are communities.

What is the pH of blood?

The letter in each square on the Periodic Table of Elements represents the:

Which of the following is not one of the 3 major domains of life?

Which of the following is not one of the 4 major kingdoms found in Eukaryotes?

In a 0.9% NaCl IV solution bag, the ___________ is the solute.

Radiation and radioactive isotopes have only negative effects on the human population.

Which of the following determines the atomic mass (AMU) of an atom?

In a double-blind study, neither the administrator nor the test groups know who has the meds or who has the placebo.

How could you determine the mass number for an atom?

Populations interacting with each other in a particular area represent:

The possibility that results are due to chance or other factor other than the experimental variable is:

The fundamental unit of life is the:

"Hydrophobic" means:

In a test with a placebo, the placebo is given to the:

The Latin term ferrium is Fe for:

Which of the following is broader than the hypothesis, more widely accepted explanations for how the world works?

In an experimental design, the group NOT exposed to the experimental variable is the:

The mechanism by which mutations like antibiotic resistance occur in bacteria:

The the application of scientific knowledge to the interests of humans:

The reason that water droplets can stick to spider webs, blades of grass, and waxed surfaces is due to:

The pH scale ranges from 0-____

When electrons are shared equally between two atoms, they are held together by:

On the Periodic Table of Elements, there are 92 naturally occurring elements.