Essential oils are becoming popular for use in home cleaning agents, and their claimed capabilities may or may not be pseudoscience. How could they be tested for their cleaning qualities in a scientific manner?(1 point)

Question

Responses

use them to clean a bathroom and decide if the bathroom looks and smells clean or not
use them to clean a bathroom and decide if the bathroom looks and smells clean or not

analyze their ability to destroy bacterial strains in comparison to other cleaning products
analyze their ability to destroy bacterial strains in comparison to other cleaning products

combine or switch them with other cleaning products and see if users notice a difference
combine or switch them with other cleaning products and see if users notice a difference

survey numerous users about their personal use, experience, and findings

Answer 1

To scientifically test the cleaning qualities of essential oils, the best approach from the options provided would be to analyze their ability to destroy bacterial strains in comparison to other cleaning products. This method allows for a controlled experiment where the effectiveness of essential oils can be quantitatively measured against established cleaning agents, providing clear evidence of their cleaning capabilities based on microbial reduction.

Using scientific methods such as culturing bacteria before and after cleaning, and employing statistical analyses to compare results, would yield objective data that could validate or refute the effectiveness of essential oils in cleaning applications.

Answer 2

Which statement is true?(1 point)
Responses

Fick’s First Law states that a body at rest will move if a force is applied to it.
Fick’s First Law states that a body at rest will move if a force is applied to it.

Fick’s First Law states that diffusion depends on the concentration and location of molecules.
Fick’s First Law states that diffusion depends on the concentration and location of molecules.

Newton’s First Law states that a body at rest does not move if a force is applied to it.
Newton’s First Law states that a body at rest does not move if a force is applied to it.

Newton’s First Law states that diffusion depends on the concentration of molecules.

Answer 3

The true statement is: Fick’s First Law states that diffusion depends on the concentration and location of molecules.

Fick’s First Law quantitatively describes the flux of a substance in relation to its concentration gradient, stating that particles move from an area of higher concentration to an area of lower concentration.

The other statements contain inaccuracies regarding the laws they reference. Newton’s First Law actually states that a body at rest will remain at rest, and a body in motion will remain in motion unless acted upon by an external force.

Answer 4

There are several key differences between DNA and RNA, the two main types of nucleic acid. Identify the statement below that correctly describes a difference between RNA and DNA.(1 point)
Responses

DNA is a single-stranded molecule whereas RNA is a double-stranded molecule in cells.
DNA is a single-stranded molecule whereas RNA is a double-stranded molecule in cells.

DNA uses ribose while RNA uses deoxyribose as the sugar in the molecule’s backbone.
DNA uses ribose while RNA uses deoxyribose as the sugar in the molecule’s backbone.

Adenine binds with the nitrogen base thymine in DNA while it binds with uracil in RNA.
Adenine binds with the nitrogen base thymine in DNA while it binds with uracil in RNA.

DNA uses phosphate groups to link nucleotides together whereas RNA uses ketone groups.

Answer 5

The correct statement that describes a difference between RNA and DNA is: Adenine binds with the nitrogen base thymine in DNA while it binds with uracil in RNA.

To clarify the incorrect statements:

• DNA is actually a double-stranded molecule, while RNA is typically single-stranded (though some RNA can form secondary structures).
• DNA uses deoxyribose as the sugar in its backbone, whereas RNA uses ribose.
• Both DNA and RNA use phosphate groups to link nucleotides together; they do not use ketone groups for this purpose.