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vichka [17]
3 years ago
13

What is observation used by scientists

Biology
1 answer:
ser-zykov [4K]3 years ago
3 0

Answer:

Scientists use observation to collect and record data, which enables them to construct and then test hypotheses and theories.

Explanation:

hope this helps

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In dna replication, each individual parent strand acts as a _____ strand for the synthesis of a _____ strand.
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The answer is template strand; daughter strand.

<span>In DNA replication, each individual parent strand acts as a <u>template</u> strand for the synthesis of a <u>daughter</u> strand. DNA replication is a process of producing of two identical copies of DNA from the original DNA. DNA molecule consists of two strands and each strand serves as a template strand for the synthesis of a daughter cell. DNA polymerase binds to the origins of replication and synthesises daughter strands by adding complementary nucleotides.</span>
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When an individual stops breathing, brain cells die very quickly, but the cells in the heart are able to survive for longer. Whi
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because the blood in the heart gets what's left of oxygenated blood first. first come first serve concept. the heart cells survive longer because they have oxygenated blood longer and more frequently. if the person is not breathing the oxygen in the blood might run out by transferring to cardiovascular cells before it gets to the brain.

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Question 3 of 10
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science answer questions about what people should do

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I need help please in ASAP
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