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vodka [1.7K]
3 years ago
6

Someone help.......................................what are the economic importance of bacteria​

Biology
1 answer:
Alik [6]3 years ago
8 0

Answer:

me

Explanation:

bcox help finish come me

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Why does a new DNA strand elongate only in the 5' to 3' direction during DNA replication? (A) DNA polymerase begins adding nucle
Georgia [21]

A new DNA strand elongate only in the 5' to 3' direction during DNA replication because the  "polarity of the DNA molecule prevents addition of nucleotides at the 3' end" .

DNA replication occurs in the 5' to 3' direction. DNA polymerase can only add nucleotides to the 3' OH group of the growing DNA strand, this is why DNA replication occurs only in the 5' to 3' direction.

DNA polymerase can only add to the 3' end, so the 5' end of the primer remains unaltered. Consequently, synthesis proceeds immediately only along the so-called leading strand.

Hence, the correct answer will be option (B)

To learn more about DNA strand here

brainly.com/question/13542701

#SPJ4

4 0
10 months ago
Which organism has a nerve net that allows it to respond to a stimulus in a coordinated way​
posledela

Answer:

HYDRA

Explanation:

The nerve cells are scattered in each layer of the body wall and these neurons send information from sensory organs. Based on the given choices above, the organism that has a nerve net that allows it to respond to a stimulus in a coordinated way is the HYDRA.

8 0
3 years ago
Read 2 more answers
New cells are made up every second. select every example that would involve new cells being made
Dafna1 [17]

Answer:

? Need more

Explanation:

4 0
2 years ago
Read 2 more answers
help before you could get 100 points but people here only want points and won't help so ill give 30 points
Delvig [45]
It’s blank what’s the question?
5 0
2 years ago
Read 2 more answers
Can someone please help me
Usimov [2.4K]

Answer:

1A - Respiratory = trachea, lungs... however both arteries and veins move oxygen around the body, and are therefore valid answers

1B - Skeletal = bones

1C - Muscular = muscles

1D - Digestive = stomach, large/small intestine

1E - Circulatory = heart, veins and arteries

2. Cellular respiration is the conversion of sugar into energy the cell uses to function via various chemical reactions. Digestion is an example of this. Stomach acid breaks down food into sugars that cells break down further into energy to keep you alive

3. Bones contain bone marrow deep inside of them which is responsible for the creation of red blood cells. Your lungs can move air all they want but would be useless without red blood cells to take the oxygen to cells and take the CO2 away from them.

5 0
2 years ago
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