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icang [17]
3 years ago
9

Continents can tuck under each other in a process called

Biology
1 answer:
lana66690 [7]3 years ago
3 0
Convergent Boundaries. 
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Draw a DNA molecule that has five randomly spaced restriction sites for a spedific palindrome. How many fragments would be produ
Bond [772]

Answer:

Figures attatched

Explanation:

1. Restriction enzymes cut the DNA in specific places of a specific sequence. Each restriction enzyme has different sequences of recognition.

2. Palindromic sequences are sequences that can be read the same in both senses (3' and 5'), for that reason restriction enzymes can cut both DNA strands

Now, for the first image: if a molecule has 5 restriction sites that are known for a single restriction enzyme, the enzyme will cut the DNA 5 times. If you see the image, the number of fragments is the number of restriction sites +1. In this case, it is 5+1=6 DNA fragments.

In the case of two different palindromic sequences, two different restriction enzymes recognize different sequence. If just one enzyme is present, the only cutting site will be the one that has the palindromic sequence recognizable. So, the number of fragments will be 1+1=2 DNA fragments (figure 2)

7 0
3 years ago
Number the phases of the moon in the order that they occur, beginning with the new moon as number 1.
Sphinxa [80]

Answer: The moon phases  in order:

New moon.

Waxing Crescent.

First Quarter.

Waxing Gibbous.

Full moon.

Waning Gibbous.

Third Quarter.

Waning Crescent.

Explanation:

5 0
3 years ago
Read the video transcript from Dr X and the Quest for Food Safety. What most likely is the purpose of the rescue scene at
fgiga [73]

Answer:

A

Explanation:

She already got it I was just adding an anwser for someone if anybody didnt see her comment on the question.

GOOD LUCK ON THE TEST!!

5 0
3 years ago
Read 2 more answers
1.The ____________________________________is your first line of defense and its generally impermeable to bacteria and viruses. I
Ugo [173]
2. Antigen
Toxins
3. Some bacterial infections
Viral
4. Innate immune system
5. Adaptive
6. Leukocytes
7. Humoral response
Cell mediated response
8. B cells
T cells
9. Helper T cell
Cytotoxic T cell
10. Antibody production.
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3 years ago
____ is required to start a chemical reaction.
Alexxx [7]
Activation energy is required to start a chemical reaction. Activation energy is the energy needed to allow the reactant to react. Activation energy is measured in Joules (J).
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3 years ago
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