Biology Exam

Compared to small cells, large cells have more trouble

Linked genes

Most fossils are found in

The Galapagos finch species are an excellent example of

A gene map shows

Which of the following clades is most likely to survive a series of catastrophic events?

Biogeography is the study of

What does the presence of similar DNA sequences in the genes in very different organisms imply?

According to the cladogram, which is TRUE?

What are some characteristics of polyploidy plants?

The kingdom that contains unicellular organisms that live in very hot or salty enviroments is

What would Hershey & Chase have concluded if radioactive 32P & 35S were found in their exprment

What did Avery conclude caused transformation?

All speckled (black and white) offspring (BW). This type of inheritance is known as

Darwin called the ability of an organism to survive and reproduce in its specific environment

Which is NOT true about extinction?

When during the cell cycle are chromosomes able to be seen under the light microscope?

When during the cell cycle does the cell grow larger and add more organelles?

In eukaryotes, DNA

Because of base pairing in DNA, the percentage of

When classifying organisms, a monophyletic group includes one

Modern fish called coelacanths are almost identical to their fossils. This species evolved by

Often, the second part of a scientific name is

The two kingdoms composed of only unicellular organisms are

The name for programmed cell death is

What regulates the expression of most eukaryotic genes?

There are 64bcodons and 20 amino acids, which of the following is true?

The type of genetic drift that follows colonization of a new habitat by a small group is called

What is one new technology that could make stem cell research less controversial?

What is shown in figure 11-1?

Darwin's theory of evolution by natural selection explains each of the following EXCEPT how

For 2 heterozygous (RrYy), how many different phenotypes are their offspring expected to show?

Hox genes

In a population, the allele frequency for red fur changes from 20 to 30%. What happened?

Which is an example of a totipotent cell?

Which is the correct order of the phases of mitosis?

In contrast to Linnaean taxonomy, cladistic analysis considers only which kind of traits?

The principle of common descent helps explain why

What cell structures contain DNA that can be used to determine evolutionary relationships?

Which of the following assort independently

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

One scientific hypothesis about the origin of life holds that

Who won the Noble Prize for the double helix structure of DNA?

What principle states - alleles for each gene - each gamete carries 1 allele for each gene?

if a pea plants genotype for height is tt,(T is tall) what is true of its parents?

In genetic drift, the allele frequencies in a gene pool change because of

Gametes have

Which Stage of the cell cycle is the longest?

What does a cladistic analysis show about organisms?

Which of the following is a correct statement about the vents of the cell cycle?

Why are stem cells important?

Why is the kingdom “Protista” NOT a clade under evolutionary classification?

In the pun. square Which of the following is true about The Offspring resulting from the cross?

1 difference between cell division in plant cells and in animal cells is that plant cells have

Which part of bacteriophage in Figure 12-1 is the genetic material?

Which of the following is a possible future benefit of stem cell research?

The Galapagos finches are an example of

Gradualism is a pattern of evolution in which

What do Hox genes control?

The number and location of bones in fossils is similar to living vertebrates. This supports

A single-gene trait that has two alleles and shows a simple dominant-recessive pattern will

Molecular evidence in support of natural selection includes

If an organism's diploid number is 12, its haploid number is

All organisms in the kingdoms Protista, Fungi, Plantae, and Animalia are

A change in the genetic material of a cell is called a

A promoter is a

Later in the development, the cells become specialized through a process called

Which kingdom contains heterotrophs with cell walls of chitin?

What process would most likely be the reason for a fossil being found on 2 continents?

Genetic recombination includes the independent movement of chromosomes during meiosis and

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

The economist Thomas Malthus suggested that

The grouping of organisms based on their common descent is called

An advantage of sexual reproduction over asexual reproduction is that sexual reproduction

In humans, some bones are involved in walking. In whales, these same bones are called

The structures labeled B in figure 10-1 are called the

Which of the following can produce a duplicate gene?

Which nucleotide in Figure 13-1 indicates the nucleic acid above is RNA?

Fossilized evidence of Earth's first forms of life would consist of

During-division a parent cell has 4 chromosomes will produce 2 daughter cells each containing

During translation, the type of amino acid that is added to the growing polypeptide depends on

Which is TRUE about the Miller and Urey experiments?

To be useful as an index fossil, a species must have existed for a

Crossing - over occurs during

According to the rules of binomial nomenclature, which is capitalized?

The species of finches that Darwin found on the different islands varied in what adaptation?

The length of time required for half of radioactive atoms to decay is

If a pea plant has one recessive allele or green peas, its Offspring will

What do bacteriophages infect?

The endosymbiotic theory says that eukaryotic cells

A plant evolves a high level of poison and the insect that eats it evolves a defense. This is

Which is an advantage of having a cell's DNA bundled into separate chromosomes?

The genes carried by all members of a particular population make up the population's

There is much variation in offspring due to

The separation of populations by barriers such as rivers, mountains, or bodies of water is

Variation in human skin color is an example of

To compare the relative ages of rocks, scientists use a widespread and easily recognizable

In eukaryotic cells, the timing of the cell cycle is regulated by

The fossil record shows

Although they live in the same habitat, 2 toad species breed at different times. This means

According to the results of our diffusion and cell size lab with agar cubes and vinegar

During which phase in the cell cycle does mitosis happen?

Earth’s early atmosphere was made of mostly

Sexual reproduction contributes to genetic diversity by allowing

The allele frequencies of a population are more likely to change if

DNA replication results in two DNA molecules,

If a mutation introduces a new color, what would determine if the new allele increases?

What is produced during transcription?

What principle does the Grants' investigation of finches best support?

On the Galapagos Islands, Charles Darwin observed

Which of the following happens when a cell divides?

The divisions of the Geologic Time Scale

The Australian and American flying squirrels are very similar. This is most likely due to

James Hutton's and Charles Lyell's work suggests that

Which event occurs during interphase?

How would you give an age of a sample of rock that you think is one of the oldest on Earth?

The surface area to volume ratio

Humans cells have the diploid number of

Which type of regulatory protein helps speed up or slow down the cell cycle?

Which scientist made x-ray diffraction photos of DNA?

The possibility of flipping a coin twice and getting two heads is

An example of a trait determined by multiple alleles is

Which of the following statements must be true for a clade to survive?

The structure labeled A in figure 10-1 is called the

The basic divisions of the geologic time scale, from larger to smaller, are

According to Darwin's theory of natural selection, some individuals survive due to the

During eukaryotic transcription, the molecule that formed is

In figure 12-2, what is adding base pairs to the strand?

At any level of organization, groups that have biological meaning are referred to as

One reason common names (not scientific names) are difficult to use is that they

The farther apart two genes are located on a chromosome, the

A polygenic trait can have

Darwin's concept of natural selection was NOT influenced by

Why did Thomas Hunt Morgan use fruit flies in his studies?

Speciation is an example of