The largest type of carbohydrate molecule is a polysaccharide, which is composed of many monosaccharide subunits.

List the types of RNA, and explain how the structure of RNA differs from the structure of DNA.

The cities of Portland, Oregon, and Minneapolis, Minnesota, are at about the same latitude, but Minneapolis has much hotter Summers and much colder winters than Portland. Why? A) They are not at the same exact latitude.

The three main steps in the process of DNA replication?

Researchers looking for fossils of the earliest life-forms face many hurdles. For example, few sedimentary rocks date back more than 3 billion years. Review what you learned about plate tectonics in Section 16.7.

Which of the following is correctly paired with its function? Sensory somatic nervous system-controls skeletal muscles Autonomic nervous system-creates voluntary response to stimuli Parasympathetic nervous system-controls body response to emergency

If the extracellular fluid has an excess of sodium ions, a. sodium ions move into cells b. intracellular fluid moves to the outside of cells c. phosphate and calcium ions are eliminated in feces d. blood levels of arsenic and oxalate increase

Why did the population of deer increase during the wolves absence? a Humans planted more plants in the area b Their predators were gone c The deer switched from asexual to sexual reproduction d Rivers brought more fish to the area

In which phase of cell cycle does synthesis of DNA take place?

What is the probability that the first child of two heterozygous brown eyed parents will be blue eyed? if the first child is blue eyed what is the probability that the second child will be blue eyed?

A scientist is trying to determine the population size of western fence lizards (Sceloporus occidentalis) in the Sycamore Canyon Park in Riverside using the mark-recapture method.