Exam 2 exam study guide

Prokaryotic cells divide by

Most human enzymes work best with a pH range of

Down syndrome in humans is due to_________ of the 21^st chromosome.

The exchange of genetic information between homologous chromosomes is known as

The correct sequence, beginning to end, for the stages of mitosis is

A competitive inhibitor interferes with the_________ site of the enzyme so a substrate cannot bind.

The G₁, S, and G₂ phases of the eukaryotic cell cycle are collectively known as  

Thinking about the biological system, which factor is least important for enzyme function?

The process that serves to decrease cellular chromosome number by half is

 If a product binds to the allosteric site of an enzyme in the pathway, this would result in_________ inhibition.

How many chromosomes would you need to construct in a biology representation of the number of human chromosomes

Objects that are moving are said to possess

White flower color is recessive to purple. What is the genotypic ratio when two heterozygous pea plants are crossed?

pink-flowered plants are produced when red-flowered plants are crossed with white-flowered plants.

Which of the following statements pertains to both prokaryotic and eukaryotic cell division?

YeWhat is the probability of getting a pea plant with green seed color when crossing two  heterozygous pea plants?

Chemical reactions that take up energy are called _________ reactions

The process of converting the energy from food molecules into energy of ATP is

During which stage of meiosis does crossing over occur?

The offspring of the P generation are referred to as the

Which Cell Cycle Event is Incorrectly Matched With its Phase?

Tall is dominant to dwarf in pea plants. If two dwarf pea plants were crossed, their offspring will be

What causes cancer in cells?

Replication of DNA occurs

In the human ABO blood grouping, there are four basic blood types: A, B, AB, and O. The blood proteins A and B are

If several traits are affected by the same allele, the allele is said to be

In which phase are the pairs of homologous chromosomes, with their sister chromatids, pulled apart?

In reference to enzyme activity, repressors_________ the active site, while activators_________ it.

In biology lab, you are asked to build a model of an ATP molecule. Which group of components would you need?

Foxes, cats, and rabbits have enzymes that are heat-sensitive, causing a seasonal variation in coat color due to

During which stage(s) do chromosomes line up on a central plane?

In the eukaryotic cell cycle, in which phase is DNA synthesized?

During which phase of mitosis do replicated chromosomes condense and the nuclear envelope disappears?

Enzymes are catalysts because they operate to

If an organism's diploid number is 64, its haploid number would be

In humans, germ-line cells are located in the

In humans, gametes are _________ and somatic cells are _________.