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Lesechka [4]
3 years ago
15

What is calcination and roasting?​

Biology
1 answer:
Sonbull [250]3 years ago
3 0

Answer:

Explanation:

Calcination is a process in which ore is heated in the absence of air or air might be supplied in limited quantity. Roasting involves heating of ore lower than its melting point in the presence of air or oxygen. Calcination involves thermal decomposition of carbonate ores.

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the nontemplate strand of a portion of a gene reads 5'ACTGGTTCA. What will the sequence of the resulting transcript for this por
konstantin123 [22]

Answer:

DNA template sequence:  

5' TGACCAAGT 3'

RNA antisense sequence: 3' UGACCAAGU 5'

>>> RNA sense sequence (transcript) : UGAACCAGU

Explanation:

In the DNA molecule, four types of nitrogenous bases are found: cytosine (C), and guanine (G), adenine (A) and thymine (T). In DNA the bases pair up with each other in the following ways: A pairs with T by two hydrogen bonds, while C pairs with G by three hydrogen bonds. In RNA (i.e., transcript sequence), T is replaced by uracil (U). Moreover, the RNA nucleotide sequence is read in the direction 5' to 3'.

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4 years ago
Which action could a student take to make a longitudinal wave?
Pavlova-9 [17]

Answer:

B.

Explanation:

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3 0
3 years ago
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kotykmax [81]

Answer:C

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The answer is four bonds because they can use one electron for each bond. 
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