Answer:
1. 3
2. 2
3. 3
4. 3
5. 3
6. 3
The total number of fragments is 17
Explanation:
What the image shows is 6 columns of DNA sequences. It looks like the annotations represents cut sites for restriction enzymes. Restriction enzymes cut at defined sequences. The cut site is represented by the horizontal line (see attached pic, red arrows).
That means any time there is a horizontal line, a new fragment is made. Remember that the DNA is double stranded, so the cuts made will produce what we call "overhangs" or "sticky ends" where they are uneven in length.
Column 1
There are 2 cut sites on each strand, producing 3 fragments
(TGGGC) (CTAGGGCACAT) (TCGAAC)
(ACCCGGATC) (CGTGTAAGCT) (TC)
Column 2
There is 1 cut site on each strand, producing 2 fragments
Column 3
There are 2 cut sites on each strand, producing 3 fragments
Column 4
There are 2 cut sites on each strand, producing 3 fragments
Column 5
There are 2 cut sites on each strand, producing 3 fragments
Column 6
There are 2 cut sites on each strand, producing 3 fragments
Answer:
D
Explanation:
We can’t use nitrogen from the air and that’s why we have to use bacteria to into something that we can use
Answer:
It is "The opening of flask is pointed in an unsafe direction"
Explanation:
The students were there in the lab to perform practical without obeying the safety rules. The most reasonable basis for teacher's warning here, in this case, is the flask which is pointed in an unsafe direction. It is not specified whether the flask is containing any chemical or not but even if it is empty, it might just fall and break and create injury to anyone present in the lab because, the students are also not wearing proper laboratory wear in accordance to the safety rules which include lab coats, gloves, eyewear, etc. Also, some Students have not tied their hair and more importantly the flasks carrying liquids are not labeled. All of these things might end up in a critical situation for which the teacher warned students about it all.
<h2>Answer</h2>
In photosynthesis, plants assimilate carbon in the form of <u>Carbon</u><u> dioxide</u> to make sugar and other organic molecules.
<h3>#CarryOnLearning</h3>
The identity of the "unknown element", "Y", is magnesium (Mg).
