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Scientists often test their hypotheses with controlled experiments. which of these is a rule for conducting a controlled experiment? a. change at least two variables at a time b. keep all variables constant c. change as many variables as possible d. change only one variable at a time
Why is it important to wear a condom?
In mice, the autosomal locus coding for the β-globin chain of hemoglobin is 1 m.u. from the albino locus. Assume for the moment that the same is true in humans. The disease sickle-cell anemia is the result of homozygosity for a particular mutation in the β-globin gene.a. A son is born to an albino man and a woman with sickle-cell anemia. What kinds of gametes will the son form, and in what proportions? (2 points)b. A daughter is born to a normal man and a woman who has both albinism and sickle-cell anemia. What kinds of gametes will the daughter form, and in what proportions? (2 points)c. If the son in part a grows up and marries the daughter in part b, what is the probability that a child of theirs will be an albino with sickle-cell anemia? (1 point)
Joshua cut his knee while rock climbing. The next day, the cut was red and swollen, and pus was present in the area of the cut. What caused the pus to form?A. macrophages excreting medicinal material B. the death of macrophages C. antigens trying to infect the area D. blood cells losing their hemoglobin
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The group of cells that have the same functions is called a tissue
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Answer:
The bartender of the Private Club
Explanation:
someone said that above me and i believe that is right :)
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Answer:
B
Explanation: because the teacher is in charge
1.Double stranded
2.Single stranded
3.Contains the nitrogen base Uracil in place of Thymine
4.Backbone contains the sugar ribose
5.Backbone contains the sugar deoxyribose
6.Contains the nitrogen base Thymine in place of Uracil
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Answer:
Three items that are unique to RNA are as follows:
2. Single-stranded.
3. Contains the nitrogen base Uracil in place of Thymine.
4. Backbone contains the sugar ribose.
Explanation:
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Transcription occurs along a 3'-5' template forming an mRNA in the 5'-3' direction.
WHAT IS TRANSCRIPTION:
- Transcription is the process by which a mRNA molecule is synthesized from a DNA template.
- Transcription occurs in the nucleus of eukaryotic organisms where the information stored in the DNA molecule is used to produce a complementary mRNA sequence that conveys it to the ribosome.
- Transcription occurs in the 3'-5' direction, and since the mRNA molecule is complementary, it'll be in the 5'-3' direction.
Therefore, transcription occurs along a 3'-5' template forming an mRNA in the 5'-3' direction.
Learn more about transcription at: brainly.com/question/15175461
Answer:
3' to 5'; 5' to 3'
Explanation:
The DNA strand with 3' to 5' polarity serves as a template for the process of transcription. Using the 3' to 5' DNA template strand, the enzyme RNA polymerase catalyzes the formation of RNA. The ribonucleotides are bonded together by phosphodiester bonds that are formed in 5' to 3' direction only. The formation of RNA occurs in 5' to 3' direction. The DNA template strand has a complementary nucleotide sequence to the newly synthesized RNA.