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DNA Charles Darwin Classification Bacteria Viruses

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The shape of the DNA molecule resembles a twisted ladder and is

described by this name.

What is a double helix? 5

These are the correct base pairs found on the DNA

molecule.

What is adenine and thymine: and

cytosine and guanine?10

Each repeating nucleotide of DNA contains these three elements.

15What is a sugar, a

phosphate group and a nitrogen base?

A strand of DNA formed by the splicing of DNA from two different species is

known as this.

What is recombinant DNA?

20

The two strands of the double helix are held together by these bonds.

25What are

hydrogen bonds?

This group of Pacific Islands proved to be very influential to Darwin’s

theories.

5What are the Galapagos

Islands?

The process by which organisms with traits best suited to their

environment are more likely to survive and reproduce is known as

this.

What is Natural Selection?

10

The human appendix is an example of this.

What is a vestigial structure?

15

The relationship between a honey bee and a dandelion is an example

of this type of evolution.

What is coevolution?

20

The human arm, a dolphin’s flipper and a bird’s wing are examples of

this.

What are homologous structures?

25

This is the science of classifying living things.

5What is taxonomy?

This man developed the system of binomial nomenclature.

Who is Carolus Linnaeus?

10

This language is most commonly used in the

classification of living things.

What is Latin?

15

This is the correct order of biological hierarchy from

largest to smallest.

What is Domain, kingdom, phylum, class, order, family,

genus and species?

20

The scientific name of a organism consists of these

two parts.

What are the genus and species?

25

What are prokaryotic cells?

5

Bacteria are the only examples of this type of cell: without a nucleus.

What are flagella?

10

These are tail-like structures used by some bacteria for movement.

What is one?

15

A typical bacteria cell has this many chromosomes.

This is the name given to any disease-causing agent.

What is a pathogen?

20

Gram positive bacteria will stain this color.

What is purple?

25

What is a protein coat?

5

A virus consists of a piece of nucleic acid surrounded

by this.

Viruses that infect bacteria cells are known as this.

What are bacteriophages?

10

HIV is a virus that shuts down this body system.

What is the immune system?

15

Retroviruses use this enzyme to cause their host cells to

transcribe DNA from an RNA template.

What is reverse transcriptase?

20

This is the viral cycle in which viral dna “hides” in the host cell’s dna

before becoming active.

What is lysogenic?

25