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IgorC [24]
4 years ago
13

Choose all the answers that apply. Evolution _____. happens slowly over time is any change in the DNA of an organism only occurs

below the species level can be caused by genetic drift can be caused by natural selection
Biology
1 answer:
xxMikexx [17]4 years ago
6 0

Answer: The Answers are, A: happens all the time, D: can be caused by genetic drift, and E: can be caused by natural selection.

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Unusual ________________, sights, ___________, appearances or __________________ are often the first sign of an emergency ______
kolezko [41]

Answer: Unusual sounds or noises, sights,smells or odors, appearances or behaviors are often

the first sign of an emergency.

Bystander roles in an emergency may include giving first aid, calling 9-1-1 or the designated emergency number, or getting equipment

( for example: A first aid kit).

Explanation:

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3 years ago
3. Describe the factors that affect ocean currents.
MakcuM [25]

Answer:

Oceanic factors include the pressure gradient, temperature variations and salinity differences

Explanation:

Each factor has a significant effect on the flow of oceanic current..

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How are the testes and ovaries similar?
Viktor [21]

Answer:

I think A. Both store mature sex cells

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3 years ago
Read 2 more answers
This bonds to cytosine (C) in DNA.
shtirl [24]

Answer: <u>Guanine </u>

According to Chargaff's rule, the base pairing in the DNA and RNA is fixed. Adenine always pairs with Thymine in DNA and Uracil in RNA. Guanine pairs up with cytosine. This complementary base pairing is universal and constant. That's why amounts are also equal. It means if cytosine is 20% in any DNA sample, then amount of guanine would be 20% as well.

4 0
3 years ago
Put the fats in order from the one that contains the greatest percentage of saturated fatty acids (1) to the one that contains t
olganol [36]

Answer:coconut oil, butter, palm oil, olive oil, canola oil.

Explanation: .

A saturated fat one whose fatty acid chains have all or predominantly single bonds. A fat is made of two kinds of smaller molecules which are glycerol and fatty acids. Fats are made of long chains of carbon (C) atoms while some carbon atoms are linked by single bonds (-C-C-) bonds others are linked by double bonds (-C=C-). These Double bonds will react with hydrogen to form single bonds causing them to be SATURATED, because when the second bond is broken, each half of the bond is then saturated with a hydrogen atom.

In terms of saturated fats acids composition by percentage according to ChartsBin statistics collector team 2011, Fat Composition in different Cooking Oils, ChartsBin.com, palm oil is 14.192, coconut oil is 91.92 canola is 7.46,palm oil 51.57, butter 65%-68%.Here you can see that the order of saturated fats from the highest gives- Coconut,butter, palm oil,olive oil and Canola as the last

6 0
3 years ago
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