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Vilka [71]
3 years ago
7

I need help. Please helpppppppp

Biology
1 answer:
Rudik [331]3 years ago
4 0

Answer:

a. 4

Explanation:

tell me if i'm wrong

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A biochemist isolated and purified molecules needed for dna replication. Whne she added some dna, replictation occursd but the d
liberstina [14]

Answer:

She left Ligase enzyme out of the mixture.

Explanation:

DNA replication is the process of formation of new molecules of DNA from the existing one. This process occurs in semiconservative way i.e each new strand consist of one newly synthesised strand and one old parent strand that act as template for the formation of new strand. replication on one strand occurs continuously from 5 prime to 3 prime but on other strands it occurs discontinuously from 5 prime to 3 prime because DNA polymerase moves only in one direction from 5 prime to 3 prime. Hence in discontinuous strands gaps remained. These gaps are filled by Ligase enzyme.

Requirements for DNA replication:

DNA replications needs

Primers

DNA Polymerase enzyme

DNA helicase enzyme

Single nucleotide binding protein

dNTPs

and Ligase enzyme.

Correct choice:

She left Ligase enzyme out of the mixture.

3 0
3 years ago
A theory of evolution that states that a species evolves in spurts of rapid change and then goes through periods of no change is
Aleksandr-060686 [28]
A theory of evolution that states that a species evolves in spurts of rapid change and then goes through periods of no change is known as <span>punctuated equilibrium.</span>
8 0
3 years ago
Why would cladistics classify birds and reptiles in a single class
Papessa [141]

Answer:

Vertebrae

Explanation:

both birds and reptiles have a backbone or a <em>vertabrae. </em>therefore they are Vertebrates.

Hope this helped!

3 0
2 years ago
Where does the energy come from to break the bonds of the water and carbon dioxide molecules?
Elena L [17]
Energy comes from making bonds in carbon dioxide and water.
3 0
3 years ago
Give any two difference between digestive system in humans and digestive system in ruminants​
Otrada [13]

Answer:

Hey mate......

Explanation:

This is ur answer.....

<em>1</em><em>.</em><em> </em><em>Ruminant stomachs have four compartments, and monogastric stomachs have only one compartment. Ruminants are able to digest grasses and other fibrous feeds better than animals with monogastric systems can</em><em>.</em>

<em> </em><em> </em><em> </em>

<em>2</em><em>.</em><em> </em><em>The bacteria can digest fiber allowing the dairy cow to consume grass, forages, and fibrous by-product feeds that humans or monogastric animals cannot do effectively. The abomasum is the stomach compartment similar to the human stomach.</em>

Hope it helps!

Brainliest pls!

Follow me! :)

6 0
3 years ago
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