Mega Bio 30 Review

Homologous chromosomes are pairs of chromosomes containing genes that code for

The shape represented by Organism A applies to the bacterial genus

Avery’s experiments showed that transformation

An explanation the mass extinction of the dinosaurs proposes that the extinction was caused by

Organism B has a shape similar to that of

Which characteristics do animals that are best adapted for flexible, complex movements possess?

We know viruses are not alive because they

Restriction enzymes are specific in their action on

Which of the following statements is not true about the steps of natural selection

The first organisms to populate the surface of the land were

Biogeography is the study of

Watson and Crick built models that demonstrated that

The goal of the Human Genome Project was to

In humans, gametes contain

The use of genetic engineering to transfer human genes into bacteria

Ballistics experts do not

Among the challenges that faced early land plants were

The enzymes responsible for adding nucleotides to the exposed DNA bases during replication are

Using radioactive tracers, Hershey and Chase demonstrated without question that

When crossing-over takes place, chromosomes

An allele that is always expressed whenever it is present is called

Algae are

Which is the best summary of the importance of the Miller-Urey experiments?

Which of the following represents a genotype of a pea plant that is heterozygous for tallness?

Which of the following traits is controlled by multiple alleles in humans?

Darwin’s theory lacked an explanation for

Cloning is a process by which

Which of the following tools is used to find bloodstains?

Which cell organelle contains its own DNA

Population genetics involves the study of

If an individual possesses two recessive alleles for the same trait, they are

Flatworms have no need for circulatory and respiratory systems because their

The finches that Darwin studied differed in the shape of their beaks. According to Darwin,

An advantage of our scientific naming system is that

Funguslike protists reproduce by releasing

According to the biological species concept, any populations that do not share future offspring

Genetic variation and change are measured as the frequency of alleles in the _____

The phenotype of an organism

Transfer RNA

The amount of guanine in an organism always equals the amount of

In natural selection, what does the selecting

The exchange of segments of DNA between the members of a pair of chromosomes

Cyanobacteria changed Earth’s atmosphere as they carried out the process of

What is the expected genotype ratio from a heterozygous x heterozygous monohybrid cross?

To which group do roundworms belong?

Nitrogen-fixing bacteria

Which of the following is a duty of a forensic scientist?

Natural selection is the process by which

Fungi

Many thousands of proteins may have arisen from only a few thousand exons because

The first animals to invade the land were the

Which of the following is not a type of asexual reproduction?

How can geography lead to reproductive isolation?

Directional selection tends to eliminate

Linnaeus’s two-word system for naming organisms is called

Since the allele for colorblindness is located on the X chromosome, colorblindness

Transcription is the process by which genetic information encoded in DNA is transferred to a(n)

If a characteristic is sex-linked, the gene for it is found on

During transcription,

nimals that distinguishes them from the members of the other kingdoms is that animals

The evolution of the plant kingdom can be inferred by studying

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

One kind of organic substance produced in the Miller-Urey experiments was

A technique that uses radioactively labeled DNA to identify specific genes in a piece of DNA is

Which of the following is a theory?

The organism labeled A

Fungi obtain food by

In some animals, ganglia at the anterior end of the animal serve as a primitive

What cannot be learned by examining a skeleton?

Eukaryotes that lack the features of animals, plants, or fungi are classified in the kingdom

The anticodons for the codons in the mRNA with the sequence CUCAAGUGCUUC are

Cyanobacteria are photoautotrophs because they require

An important tool in the practice of relative dating is the use of

The kingdoms Eubacteria and Archaebacteria were once grouped in a kingdom called

The major idea that Darwin presented in his book The Origin of Species was that

Which of the following is not an example of a fungus?

It is important to distinguish between Gram-positive and Gram-negative bacteria because

Layers of rock give evidence of

Prions

The purpose of doing an autopsy is to find out

Genes that are close together on a single chromosome are considered to be

Of the four nitrogen bases in DNA, which two are purines and which two are pyrimidines?

In humans, eye color and height are controlled by

Mycorrhizae

The technique used to make millions of copies of DNA is

Which of the following does not provide new genetic combinations?

The process of transferring pollen from a male cone to a female cone in gymnosperms is called

DNA fingerprinting is used in criminal investigations for all of the following reasons except

Euglenoids are examples of protists that

Taxonomy is

A forensic anthropologist helps to identify a crime victim by

The shape represented by Organism C is called

According to Malthus, human populations grow

A lichen

The non-coding portions of DNA not used during transcription are called

Using your Codon Wheel, What is coded for by a piece of mRNA with the sequence CUCAAGUGCUUC?

What is the blood type of a person with an A allele and an O allele?

In the Linnaean system of classification, the level that identifies one unique organism is the

Given (B) black, (b) brown; The phenotype of the offspring indicated by box 3 would be

One difference between plants and animals is that plants are

The organism labeled B

Analogous structures

Amoebas capture food by

During transcription, the genetic information for making a protein is “rewritten” as

The waxy protective covering of a land plant is called a

A nucleotide consists of

Given (B) black, (b) brown; Both of the parents in the cross are

Darwin was the first to explain

Mushrooms, puffballs, and shelf fungi are examples of

Darwin thought that plants of the Galápagos were similar to those of the nearby islands because

Which of the following was not found to be true when the Human Genome Project was completed

Why are mutations in body cells not a source of genetic variation?

If a portion of a DNA strand is CCTAGCT during replication, then the new strand will be

Some land plants developed an internal system of interconnected tubes and vessels called

Normal human males develop from following sex chromosome combinations?

Viroids are

Which of the following is not an outcome of the environment modifying a phenotype?

In RNA molecules, adenine is complementary to

Amphibians probably evolved from

RNA differs from DNA in that RNA

The movement of alleles into or out of a population due to migration is called

The xylem in a plant

A piece of DNA breaking away from its chromosome and attaching to a nonhomologous chromosome is

Cyanobacteria are thought to be the ancestors of

A model used by biologists to represent evolutionary history among species is called a

The internal skeleton of vertebrates

The hypothesis that evolution occurs in “spurts” through geologic time is known as

Refer to the illustration above. The process shown is

The law of segregation states that

The phloem in a plant

Bacterial cells have

Molecules of DNA are composed of long chains of

The age of Earth is estimated to be about

Chitin is found in fungi and in

What could result from a mutation in a homeotic gene

The device shown is called a

X-ray diffraction photographs by Wilkins and Franklin suggested that

The difference between Mendel’s experiments and those done by earlier researchers was that

The formation of new species is called

Griffith’s transformation experiments

A typical virus consists of a

The passing of traits from parents to offspring is called

The chromosomes of bacteria

Pseudopodia are used for

Transcription factors are

Trisomy is a mutation that results in a cell having an extra