2. sodium ion that has lost an electron
Its none of them The person who actually disporved it was Charles Wyville Thompson
Bacteria can divide every minute, so given 600 minutes in ten hours it would be an extremely large number
Answer:
This is an incomplete question without the options.
Here are the options to pick from
DY
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Within a six-base DNA recognition sequence, an enzyme that cuts between the 3rd and 4th bases from the 5' end will generate blunt ends.
a)True
b)False
a) True
What is the function of restriction endonucleases in bacteria?
a) They serve no function.
b)They allow bacteria to genetically recombine with other bacteria.
c) They allow bacteria to engineer new DNA fragments.
d)They provide a defense mechanism against infection by viruses.
Our answer is surely D
d)They provide a defense mechanism against infection by viruses.
Explanation:
Restriction enzyme/restriction endonuclease:
Are produced by bacteria for cleaveing DNA at specific sites. Restriction enzymes cleave foreign DNA in the bacterial cell to fight against infecting organisms.
Pls Note:
Restriction enzyme are used by
bacteria to defend against bacterial viruses called bacteriophages or phages
Answer:
Option 1 : prokaryotic cells
Explanation:
Notably, prokaryotic cells lack a nucleus and membranous organelles. Prokaryotic cells have the following features: 1. The genetic material (DNA) is localized to a region called the nucleoid which has no surrounding membrane.
Extract from my encyclopedia---- ;) hope it helps
