What term describes the shape of a DNA molecule? single helix double helix single strand double zipper

The theory suggests genes are located on chromosomes in exact locations. gene chromosome inheritance

What type of force does a backpack exert on the body's back and hips? tension compression flexion extension

When encountering other vessels in darkness or reduced visibility, what do visible white and green lights indicate?

What type of muscle is responsible for contractions of the digestive tract and arteries? what type of muscle is responsible for contractions of the digestive tract and arteries?

What is the most challenging issue facing genome sequencing?

Which of the following do fish NOT use to breathe? A. air bladder B. pharyngeal slits C. pores on their back D. olfactory bulbs

Imagine a protein that has been engineered to contain a nuclear localization signal, a nuclear export signal, a C-terminal peroxisomal targeting sequence, and a canonical endoplasmic reticulum (ER) signal sequence.

Which organelle receives protein from endoplasmic reticulum and sorts and packages it for delivery outside cell?

Eukaryotic cells have many different specialized structures that are involved in making, organizing, and delivering a protein molecule. Describe the four organelles that are involved and the sequence of events of this process.

What do scientists call an orderly pattern of change over time? A. homeostasis B. ecological succession C. food web D. an ecosystem