What do biotechnologists use to cut DNA molecules at specific sequences?

DNA ligase

A. DNA ligase

B. transformation

C. restriction endonuclease

D. DNA polymerase

What is technology? A. A method for doing scientific research B. Science applied to practical problems C. A system of government D. The use of science to answer ethical questions

What does a receptor protein do? a. allows one or a few specific molecules to pass across the membrane b. allows a specific molecule to bind to it because of its shape c. allows the body to distinguish between its own and other cells d.

In a car, how does an air bag minimize the force acting on a person during a collision?

Which process is described by the characteristics below? • takes place in the mitochondria • releases chemical energy from sugars and other carbon-based molecules • makes ATP (with oxygen present) A. cellular respiration B. glycolysis C.

When scientists report their results from their scientific investigations, what should scientists include and NOT include in their conclusions?

Hunters kill all of the wolves in a region. The wolves mostly ate deer. Why might there be fewer deer a few years after the wolves are killed?

Normal chlorophyll development in plants requires the presenceof at least one dominant allele at gene A and at least one dominantallele at gene B. Double homozygous recessive plants (a b / ab) lack chlorophyll and are white.

Onion cell and elodea cell

Two albino individuals marry and start a family. their first child has normal pigmentation. does this indicate infidelity and why/why not?

Which of these structures is/are NOT properly matched with one of its/their functions? a. pharyngeal tonsil: trap and destroy pathogens entering the nasopharynx in air b. paranasal sinuses: house olfactory receptors c.