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ozzi
2 years ago
14

Memorandum life science grade 12 practical investigation 2017

Biology
1 answer:
DedPeter [7]2 years ago
5 0

Children at ages 1 – 7 only cares about playing. This is the range of age where utmost care is exhibited. When they reach their pre-teen period, they slowly are aware of the surroundings around them. By the time they reach their teenage years, they are now conscious of their physical appearance and are conscious. You must guide them what they are seeing and point out things that are good or bad.

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if a scientist wanted to compare the expression of one gene under two sets of conditions, what technique would they use?
timurjin [86]

If a scientist wanted to compare the expression of one gene under two sets of conditions, chain termination is the technique they would use.

Chain termination is any chemical response that ceases the formation of reactive intermediates in a sequence propagation step withinside the route of a polymerization, efficaciously bringing it to a halt.

Sanger sequencing, additionally referred to as the “chain termination technique”, is a way for figuring out the nucleotide collection of DNA. The approach become evolved with the aid of using time Nobel Laureate Frederick Sanger and his colleagues in 1977, subsequently the call the Sanger Sequence.

To learn more about technique, click here:

brainly.com/question/4974917

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4 0
1 year ago
the impulses received through various combinations of electrodes costitute different _______, or veiws of the electrical activit
maks197457 [2]

Answer:

The correct answer is - leads.

Explanation:

In ECG or electrocardiogram, a test that is used to measure the electric activity of the heart of an individual, each electric impulse cause a electric wave to travel through the heart and cause the heart pump to pump blood.

There are electrodes that received the electric impulse in this machines, electrodes have self adhesive pads and attached with various leads mostly 12, that carries the impulses in the combinations that are recorded on the ECG.

Thus, the correct answer is - leads.

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