Biology: EOC Review

The gametes of a mouse contains 20 chromosomes. A biologist is viewing muscle cells from a mouse under a microscope. How many chromosomes will be present in each cell?

40

Having freckles is dominant or not having freckles. If two individuals heterozygous for freckles have a child, what is the probability your child will have freckles?

75%

How does the body of a runner keep up with the demand for energy when cellular oxygen levels are low?

Through anaerobic respiration in the cytoplasm

Why must DNA replication have to occur before a cell can divide by mitosis?

To maintain the same number of chromosomes in the daughter cells as in the parent cell

What would most likely be produced when a cell with eight chromosomes undergoes mitosis

Two cells with a chromosomes each

Which adaptation do ferns, gymnosperms, and angiosperms have that mosses do not have?

Vascular tissue

Sexually reproducing organisms pass on genetic information as a

Sequence of the bases A, T, C, and G

Mitochondria provides Ribosomes with

ATP for protein synthesis

A section of DNA has these bases: TAG CAG TAC Which mRNA sequence is produced from the DNA section

AUC GUC AUG

The diagram below represents the results of the net movement of a specific kind of molecule across a living cell membrane. The movement of molecules from inside the cell to outside the cell is an example of?

Active Transport

Which transgenic organism has been used to clean up oil spills

Bacteria

The diagram below represents male gametes from different animals. In what way are they all in common?

Because of meiosis they all have half the genetic information

Two biological processes that occur in certain organelles are represented in the diagrams below.

Both processes X and Y occur in green plants.

A student noticed that the freshwater plant, Elodea, produced bubbles when placed in direct light. What could the student MOST LIKELY conclude?

Bubbles of oxygen were produced as a result of photosynthesis

Which process can occur in both mitosis and meiosis

Gene mutation

Scientists believe that the polar bear in Alaska and the brown bear in Russia evolved from a common ancestor. Which would be responsible for this evolutionary change?

Geographic Isolation

Which word equation best represents the process of cellular respiration?

Glucose + oxygen - carbon dioxide + water

Pancreas cell produce a lot of digestive enzymes. Which two organelles would you expect these cells to have a lot of?

Golgi Body & Rough ER

During which phase of the cell cycle does the most cell growth occur?

Interphase

Why are many farmers and courage to plant different types of crops on the same land throughout the year?

It helps to preserve the quality of the soil

The chemical colchicine disrupts cell division. Which cell process would most likely stop if colchicine were added to a culture of human liver cells?

Mitosis

Protein synthesis is accomplished primarily by the interaction of which two cell structures?

Nuclei and Ribosomes

Multicellular eukaryotic autotrophs belong to which kingdom?

Plantae

Following fertilization, a zygote divides and soon becomes a multi-celled embryo with many different cell types that carry out different functions, as represented below. Which statement best explains this development?

Specialization occurs, resulting in the formation of a great variety of cell types.

In some ecosystems, wolves have been eliminated due to their threats to humans. How can the reintroduction of wolves benefit the ecosystem?

Take care aluminate weak animals from prey population, thereby decreasing competition for natural resources

Which would be a desirable trait scientists may want to create in a transgenic plant?

The ability to resist insects

What determines the function of a specialized cell?

The active genes in the cell

Which will most likely result in a negative growth rate in human population of a country

The death rate is higher than the birth rate

This diagram shows a red blood cell in a beaker that contains a solution with a higher salt concentration than that inside the red blood cell. What will happen to the red blood cell in the environment?

The red blood cell will shrink from losing water molecules

What will MOST LIKELY occur if the population of the world continues to increase at predicted rates?

There will be more rapid depletion of natural resources