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maw [93]
3 years ago
12

Which step of the scientific method involves identifying a question of scientific interest?

Biology
2 answers:
KiRa [710]3 years ago
7 0
Hello there,
It is the first step, to make an observation
1) Make an observation
2) Form a question
3) Form a hypothesis
4) Conduct an experiment
5) Analyse the data and draw a conclusion

Hope this helps :))

~Top 

blagie [28]3 years ago
5 0
It is called Hypothesis
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List three differences between DNA and RNA:
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Answer:

the answer, you can select it and write it down

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Part A: A scientist examines a fruit fly gene involved with the regulation of body development. A section of the DNA sequence fo
Leokris [45]

Answer:

Part A: Thr-Leu-Val

Part B: ACC-UUG-GUU

Explanation:

When you transcribe a DNA sequence to mRNA, you need to remember that in RNA there is no Thymine (T), instead it has Uracil (U). So the base pairings would be like this compared to DNA base pairing:

DNA                RNA

A-T                  A-U

T-A                  T-A

C-G                 G-C

G-C                 C-G

Given the sequence the transcription will be as follows:

DNA :   TGG - AAC - CAA  

mRNA: ACC - UUG - GUU

Next, to translate it into amino acids, you will use the chart. Now amino acids pair in codons (3 base pairs at a time).  Let's take the first codon in your sequence:

ACC

1st  2nd   3rd

 A     C       C

Using the column on the left, find the row that matches it, so in this case A.

At the very top, there is another row of letters, looking at the row of A only, look for the column of the second base which is C.

Lastly, look at the right most column and find the letter that matches the third base within the box where A and C intersect. In this case, C is your third base.

The amino acid where all three intersect is your first amino acid which is Thr.

Just do this for the next codons and you will come up with the answer.

4 0
3 years ago
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Question 5 Genetic testing is becoming more common, even for people who show no outward symptoms of a disease. Do you think it's
ArbitrLikvidat [17]

Answer:

Explanation:

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We have the sex cell and somatic cells, some mutation affects sex cells, while some somatic cells. If a mysterious affect sex cell there is every possibility of it being inherited by the offspring hence adequate knowledge about a mutant gene being in the body can help guide against some further re-occurence.

Negative effect is fear, it creates fear in an individual who has it.

It can lead to depression when an individual becomes traumatize due to his state.

7 0
3 years ago
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The polar end of the phospholipid plasma membrane is _____.
Alina [70]
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The polar end of the phospholipid plasma membrane is hydrophilic (water-loving or can absorb water) and is a negatively charged phosphate group. In the cell they are facing outward, attracting intracellular and extracellular fluid. 

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5 0
3 years ago
Research has found that chimpanzees in one area make spears to help them hunt bushbabies (African lorises). The chimpanzees loca
castortr0y [4]

Answer:

1. Yes

1. True

Explanation:

A.

Yes, it is a nonhuman primate cultural example: Despite the fact that many nonhuman primates lack apparent cultural traditions in the same manner that humans do, primatologists have uncovered a number of behavioral habits that differ between populations and are passed down through socialization and language interaction. The employment of tools by chimps for hunting is one of the most prominent examples of this. Chimpanzees in the African Savannah have been observed fashioning sticks into weapons to hunt bush infants, according to researchers. In each example, a chimp changes a branch by snapping off one or two ends and sharpening the stick with its teeth. The spear is then jabbed into the bottom of the trunk, where the bush infants slumber. Because this complicated behavior appears to differ between communities, it is thought that chimpanzee tool usage is socially acquired, and hence a cultural behavior.

B.

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