When dealing with chemicals in the laboratory, which of the following is not safe?

checking labels on any chemical containers

washing your hands after working with chemicals

directly smelling any chemicals

avoiding skin contact with chemicals

Select the correct answer. What does the letter q stand for in the Hardy-Weinberg equation? QA. the frequency of the recessive allele in a population O B. the frequency of the dominant allele in a population O c.

When the stimulus intensity is increased what changes the number of synaptic vesicles?

5. Describe a chemical indicator. What is it? What is it used for? How does it work?

Respiration involves the breakdown of sugar this process results in the production of energy for the cell in order for cells to produce the most energy, what has should be present

What type of growth widens the plant and produces wood? a. secondary growth b. primary growth

1. The concentration of sugar is higher inside a cell than outside the cell. The concentration of water inside the cell is lower than it is outside. Sugar cannot pass through the cell membrane.

Which describes the variable that is changed to test the prediction? A) dependent B) experimental C) control D) independent

What is used to classify the layers of the atmosphere? Question 1 options: Differences among temperature altitude, and weather Differences among temperature, air pressure, and density Differences among altitude, wind speed, and weather How far away

Drinking alcoholic beverages causes an increase in urine output. This most likely occurs because alcohol: inhibits ADH release stimulates ADH release inhibits TSH release stimulates TSH release

What is the thickest layer of the atmosphere?