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Alexxandr [17]
3 years ago
15

A student flips a light switch but the light does not turn on. Based on this

Biology
2 answers:
Liula [17]3 years ago
6 0

Answer: the electrical wire is copper

Explanation:

Alinara [238K]3 years ago
4 0
Electrical wire is copper
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Predict why is blood sugar important to understanding the type of food you eat.
slega [8]

Answer:

Blood sugar, also known as blood glucose, comes from the food you eat. Your body creates blood sugar by digesting some food into a sugar that circulates in your bloodstream. Blood sugar is used for energy. The sugar that isn't needed to fuel your body right away gets stored in cells for later use.

Explanation:

3 0
3 years ago
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Indicate whether each of the following descriptions better applies to a centromere (C), a telomere (T), or an origin of replicat
zhannawk [14.2K]

Answer:

T T C O C T

Explanation:

Each eukaryotic chromosome usually has repeated telomere sequences ranging from 2 to as many as 2000.

There is normally just one specialized DNA sequence called the centromere per eukaryotic chromosomal DNA molecule.

The origin of replication is the site where DNA duplication starts in S phase.

The centromere attaches the chromosome to the mitotic spindle via the kinetochore structure.

Teleomere contains repeateted sequences at the ends of the chromosomes.

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3 years ago
Is it the Veins or the arteries that carry blood away from the heart?
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Veins carry blood from the body to the heart.
Arteries carry blood from the heart to the body.
Your answer is: arteries

Hope that helped:)
4 0
3 years ago
Proteins produced by the immune system to destroy substances containing antigens are called
Tomtit [17]
Antibodies, also called immunoglobulins, are proteins manufactured by the body that help fight against foreign substances called antigens. When an antigen enters the body, it stimulates the immune system to produce antibodies. (The immune system is the body's natural defense system.) The antibodies attach, or bind, themselves to the antigen and inactivate it.<span>

Read more: <span>http://www.scienceclarified.com/Al-As/Antibody-and-Antigen.html#ixzz4YlY105DD</span></span>
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3 years ago
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In a lab experiment, students had four samples of elements. They made observations about the appearance of each sample, then pro
aniked [119]

Answer:

a- black powder

Explanation:

it is powder and has no pigment

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3 years ago
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