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SIZIF [17.4K]
4 years ago
13

In this lab, biology students were directed to use indicators as chemical detection tools, to analyze a variety of foods for the

presence of carbohydrates, lipids or proteins. One group was responsible for testing for the presence of sugars and starches in the food they ate at lunch. Which test result below shows the presence of starch in their food?
Biology
2 answers:
sp2606 [1]4 years ago
6 0

In order to test the presence of starch, one has to treat with iodine. If the food turns blue-black in color, it is an indication of the presence of the starch.

Alex Ar [27]4 years ago
4 0

Answer:

Biuret!

Explanation:

I had this question on USA Test Prep and the correct answer choice was Biuret

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The mucous membrane that lines the eyelids and is reflected over the anterior surface of the eyeball is the conjunctiva. The muc
hichkok12 [17]

Answer:

True

Explanation:

Conjuctiva is that thin transparent mucous membrane that covers both the anterior surface and the inner surface of the eyelid. Conjuctiva is an important component of the eye that keeps the inner surface of the eyelids and the front surface of the eye moist and lubricated. It also helps protect the eye from foreign particles and from infection.

The part of the conjunctiva that covers the eyelids and is reflected over the anterior surface of the eyeball is called the bulbar conjunctiva. The part that is found coating the inner surfaces of the eyelids is called the palpebral conjunctiva.

7 0
3 years ago
Study the graph and then complete the passage. 425 8.33 400 Atmospheric CO2 (ppmv) Seawater pCO2 (uatm) Seawater pH 8.28 375 8.2
Westkost [7]

Answer:

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Explanation:

Cause I took the test

8 0
3 years ago
Read 2 more answers
Temperature and kinetic energy are ___________ proportional.
Natali5045456 [20]

Directly

Explanation:

The average kinetic energy of a gas particle is directly proportional to the temperature. An increase in temperature increases the speed in which the gas molecules move. All gases at a given temperature have the same average kinetic energy.

6 0
3 years ago
Select the correct answer. An object is acted upon by a force of 22 newtons to the right and a force of 13 newtons to the left.
lana [24]

Answer:The net force is the sum of all the forces acted upon an object. The direction of force depends on which side you are taking as a positive and negative force. If the force of 22 newtons is positive and the force of 13 newtons is negative, they are actng on the object on different directions, thus in order to get the net force, we just sum them up.

newtons

The net force is +9 Newtons.

Explanation

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7 0
3 years ago
Of the following choices, which is the first stage of development that babies reach?
VashaNatasha [74]
Eye contact! Good luck
7 0
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