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Viktor [21]
3 years ago
14

A teacher gives a student a non-toxic, odorless, white powder to identify. Generate four questions, each regarding a different p

roperty of the unknown powder, that could be safely tested and answered in the laboratory.
Biology
1 answer:
Solnce55 [7]3 years ago
8 0
1. what it looks like 2. smells 3.feel 4.what happens if mixed with other properties
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1. <br> A) Name the 4 MAJOR ORGANIC COMPOUNDS.<br><br> B) DESCRIBE how they DIFFER in their uses.
nlexa [21]

The four major organic compunds are lipids, carbohydrates, proteins, and nucleic acids.


Lipids are used to store energy, insulate insulate, and they help build cell membranes. Examples of lipids are fats, oils, and waxes.


Carbohydrates are used to give us quick energy and they help build cell walls. Examples of carbohydrates include bread, pasta, cereal, and rice.


The role of proteins is to build our bodies, help our immune system, and help cells communicate. Such examples include meat, beans, eggs, fish, nuts, soy, and dairy.


Finally, Nucleic acids are used to store gentetic info. Anything plant or animal based is considered a nucleic acid.


8 0
3 years ago
How can a karyotype be used to diagnose a patient?
Nonamiya [84]

A Karyotype Test Determines Chromosome Count.Whatever the age, the test used to diagnose Turner syndrome is the same—and it is known as a karyotype. A karyotype is a blood test that produces an image of your chromosomes.

7 0
3 years ago
Which question is a nonscientific question?
Sergio [31]
For your first question i think why are roses the best flowers

For your second question it is defeinitley what causes people to be clolor-blind
6 0
3 years ago
How heat energy from the sun powers the water cycle?
Karolina [17]

Answer:

Heat causes liquid and frozen water to evaporate into water vapor gas, which rises high in the sky to form clouds.

Explanation:

4 0
2 years ago
A scientist testing the effects of a chemical on apple yield sprays an orchard with the chemical. A second orchard does not rece
Dmitry_Shevchenko [17]

Answer:

the chemical

Explanation:

  • A variable whose variation does not depend upon on any other variable in any manner is termed as independent variable.
  • An independent variable is the one that can only be actually varied by the experimenter who is using it to test the affect of this particular variable on other variables that depend on it and thus, change as the independent variable is changing.
  • In the given experiment the scientist is testing the effect of spraying chemicals on the apple yard, here<em> the chemical used is an independent variable as varying the amount of chemical that is sprayed will change the yield of the apples. </em>
5 0
3 years ago
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