Biology Exam 14 15

The backbone of nucleic acid polymers is composed of

What are channels in the plasma membrane that help move materials made of?

The failure of homologous chromosomes to separate during meiosis is called

Organisms that have two identical alleles for a particular trait are said to be

Which of the following statements best explains why birds fly south for the winter?

Photosynthesis, fermentation, and cell respiration all

Biology is the study of

The basic structural and functional unit for all organisms is the____

Variation in human skin color is a result of

During genetic modification

When a farmer breeds only his or her best livestock, the process involved is

Which of the following contain a nucleus?

The SI basic unit for mass is the

A point mutation on a DNA sequence is one in which

DNA from one species that has been inserted into a vector plasmid is called

In science, a hypothesis is useful only if

Darwin's theory of evolution is based on the idea(s) of

Which of the following is false?

Which cell structure contains the cell's genetic material?

During which phase of mitosis do the chromosomes line up along the middle of the dividing cell?

Which process is used to make bread rise?

An animal cell that is surrounded by fresh water will burst because osmosis causes

What is a malignant tumor?

Where does translation take place?

What would be the best graph to show change over time?

A controlled experiment allows the scientist to isolate and test

The statement "The sky is cloudy, it must be going to rain" is a(n)

When the concentration of molecules on both sides of a membrane is the same, the molecules will

When Mendel crossed a true-breeding tall plant and true-breeding short plant, the offspring

Biological fitness is the ability of the individual to

Which of the following are found in both DNA and RNA?

The major reactants of photosynthesis are

Colorblindness is more common in males than in females because

Which of these is a scientific hypothesis?

"Working tapes" of instructions that are carried to the ribosomes are

How many chromosomes are shown in a normal human karyotype?

The passage of materials into and out of the cell is regulated by___

Match the following DNA sequence with it's complement: AATGCCTG

The Calvin cycle

Cancer is a disease in which some cells lose the ability to control their

The sex-linked allele for colorblindness is located on

A carrier of a recessive disorder

The combined alleles of all the individuals that make up a population is the population's 

Which of the following might be a valid hypothesis for why a plant appears to be dying?

If a mutation occurs in a segment of a DNA molecule, it is reasonable to conclude that

The energy of the electrons passing along the electron transport chain is used to make

The original source of energy for active transport is____

The principles of probability can be used to

A pedigree can be used to

When examining a biological issue or problem, one important step is to

The term GMO means