You should always dispose of lab chemicals

Walking and running both have low impact on joints. True or False The answer is False. Walking is a low impact activity and is potentially less damaging to the joints.

Which two scientists are credited for the invention of the first microscope? Check all that apply. Hans Janssen Zacharias Janssen Robert Hooke Rudolf Virchow Anton van Leeuwenhoek

Urban sprawl covers land once used for food production and destroys ecosystems. a. True b. False By the United States Census Bureau standards, a population of 1,000 people defines an urban area. a. True b. False

How long does it take for ibuprofen to work?

One of the planets known to have rings is a. Venus b. Mars c. Uranus d. Pluto

Earth and the other spinning objects spin around a line called a rotation axis true or false

If the nucleotide or base sequence of the dna strand used as a template for messenger rna synthesis is acgtt, then what would be the sequence of bases in the corresponding mrna?

Name: - the stimulus which causes a change in the diameter of the pupil - the receptor which receives the stimulus - the effector which causes the decrease in the diameter of the pupil

Give two specific signals that move through the symplast, and describe the function of each signal

Positively charged DNA migrates more rapidly than negatively charged DNA b. Longer DNA fragments migrate farther on a gel than shorter fragments c. Migration distance on a gel is inversely proportional to DNA fragment size d.