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AVprozaik [17]
3 years ago
13

Which muscles work in pairs? 1. cardiac muscles 2. skeletal muscles 3. smooth muscles

Biology
1 answer:
Tpy6a [65]3 years ago
5 0
Skeletal muscles work in pairs
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A plasmid 41 twists and 6 right handed writhes. What is the Lk for this plasmid?
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Answer: Lk for this plasmid = 47

Explanation:

The formula to compute Lk is given by :-

Topological Linking Number (Lk): Twist (Tw) + Writhe (Wr)

Given: A plasmid 41 twists and 6 right handed writhes.

i.e. Twist (Tw) = 41   , Writhe (Wr) = 6

Then, Topological Linking Number (Lk) for this plasmid :  = 41+6

= 47

Hence, the Lk for this plasmid = 47

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Darwins theory quiz
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Two groups of tomatoes were grown under laboratory conditions, one with humus added to the soil (Group 1) and the other a contro
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the humus contains the minerals necessary for chlorophyll synthesis

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<u>Some of the minerals necessary for the formation of chlorophyll include magnesium, nitrogen, and iron</u>. It thus means that the humus supplied to the soil of group 1 plant has the necessary minerals to synthesize chlorophyll while the soil of group 2 plants is deficient in some or all the minerals required for chlorophyll synthesis.

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