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mart [117]
3 years ago
12

I will give brainliest to the first person who answers!

Biology
2 answers:
vlabodo [156]3 years ago
6 0

Answer:

C, just saying so he can be brainliest

Explanation:

sveta [45]3 years ago
5 0
The answer would be C, as many streams/rivers carry plant seeds, dispersing them. If there was a drought, these seeds wouldn't be able to float on the stream and disperse.
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A biochemist isolates and purifies various molecules needed for DNA replication. When she adds these molecules to DNA, replicati
olga55 [171]

Answer:

DNA ligase

Explanation:

<em>The biochemist must have left out DNA ligase enzyme.</em>

<u>The DNA ligase enzyme is able to catalyze the formation of phosphodiester bonds and as such, capable of joining strands of DNA together to form a single strand.</u>

The numerous DNA segments of a few nucleotides long observed by the biochemist must have been the replicated product of the lagging DNA strand. The lagging strand is replicated discontinuously in short strands because the DNA polymerase enzyme can only elongate primers in 5' to 3' direction. The short segments are known as Okazaki segments and are usually joined together to form a whole strand by the DNA ligase enzyme.

Hence, the missing component is the DNA ligase.

3 0
3 years ago
What is free nitrogen?
UNO [17]

Answer:

Nitrogen thet cannot be used by organisms. C.

Explanation:

Free nitrogen is simply molecular nitrogen (N2). Nitrogen, in its molecular form, consists of two nitrogen atoms bound together with a tripple bond. Because it is very stable, N2 is typically nonreactive, and takes a lot of energy to break them apart. Among these are the amino acids necessary for life to begin and which are the building blocks DNA is made from. Basically, any nitrogen that is in an organic compound is considered “fixed” nitrogen and N2 is considered to be “free” nitrogen

5 0
3 years ago
Read 2 more answers
Why are antibiotics unhelpful for treating the common cold?
Elanso [62]

Answer:

colds are cause by viruses

8 0
3 years ago
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During primary growth, the primary xylem and phloem grow alongside each other, except for a layer of tissue in between them. The
DanielleElmas [232]

Answer: Determinate growth

Explanation:

determinate growth stops when a plant element (such as a leaf) reaches a particular size.

6 0
3 years ago
A raccoon eats a morel mushroom in the illinois woods. which of the following is true?
dolphi86 [110]
I don't know what you have listed as your answer choices but: this fungus is still alive and able to reproduce.
7 0
3 years ago
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