BIOLOGY HIGH SCHOOL

The process of making RNA from a DNA sequence is calledA. translation.
B. transcription.
C. transduction.
D. transformation.

Answers

Answer 1
Answer:

The process of making RNA from a DNA sequence is called transcription. Therefore, the correct answer is option b.

Transcription is a fundamental molecular process that occurs in cells to create RNA molecules from the information stored in DNA. Here's a more detailed explanation:

  • DNA as the Genetic Code: DNA (deoxyribonucleic acid) is the genetic material found in the nucleus of cells. It contains the instructions for building and functioning of an organism. These instructions are encoded in the sequence of nucleotide bases adenine (A), thymine (T), cytosine (C), and guanine (G) along the DNA molecule.
  • Transcription Initiation: Transcription begins when a specific segment of DNA, containing a gene (a functional unit of DNA that codes for a particular protein or RNA molecule), is selected for transcription. This gene serves as a template for creating a complementary RNA molecule.
  • RNA Polymerase: An enzyme called RNA polymerase initiates the transcription process. It recognizes a specific region on the DNA called the promoter and starts unwinding the DNA double helix.
  • Base Pairing: As the DNA strand is unwound, RNA polymerase adds complementary RNA nucleotides to the growing RNA strand based on the sequence of the DNA template. However, in RNA, thymine (T) is replaced by uracil (U), so when the RNA strand is synthesized, it contains adenine (A), cytosine (C), guanine (G), and uracil (U).
  • Elongation: RNA polymerase continues to move along the DNA template, adding complementary RNA nucleotides, thus extending the RNA strand. This process continues until it reaches a specific termination sequence on the DNA.
  • Termination: At the termination sequence, transcription stops, and the newly synthesized RNA molecule is released. This RNA molecule is called messenger RNA (mRNA) in most cases, and it carries a copy of the genetic information from the DNA.
  • Result: The end product of transcription is an mRNA molecule that contains the instructions for synthesizing a specific protein. This mRNA molecule can now exit the cell nucleus and move into the cytoplasm, where it will serve as a template during translation for the assembly of amino acids into a protein.

In summary, transcription is the process by which RNA is synthesized from a DNA template. It plays a critical role in gene expression, as it allows the genetic information encoded in DNA to be transcribed into a form (mRNA) that can be used by the cell to produce proteins during the process of translation.

Therefore, the correct answer is option b.

Learn more about transcription here:

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Answer 2
Answer: The term for the process of making RNA from a DNA is called B. transcription. hope this helps luv!

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A zoology student is investigating whether it is true that the gender of turtles depends on the temperature at which the turtle eggs are kept before they hatch. He will test if turtle eggs incubated at 29–30 degrees Celsius produce females, and eggs at 24–26 degrees Celsius produce males. What is the independent variable?

Answers

The independent variable is the temperature. Independent variable refers to the  variable in an experiment that can be changed by the scientists or the one making the experiment. A good experiments has a single independent variable and the changes observed will be the dependent variable. In this case, the dependent variable is the gender of the turtle.

Answer:

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Explanation:

i got it right

Which of the following is a true statement about tectonic plates?a.they located in the molten layer beneath the earth first.
b.all tectonic plates are located at the earth's core
c.they're located approximately 10 meters below the surface of the ocean.
d.all of the earths landmass rests on tectonic plates.

Answers

The true statement is - d. all of the earth's landmass rests on tectonic plates.

The Earth’s lithosphere is a rigid outer part of the earth comprise of crust and top or upper mantles. The lithosphere is made up of tectonic plates. It constitutes all floor plates including oceanic floor plates and continental plates.

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Thus, the true statement is - d. all of the earth's landmass rests on tectonic plates.

Learn more about tectonic plates:

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I would go with D as it is closest to correct. Every part of the surface of the Earth is a tectonic plate though. The plates vary in thickness, but all of the surface of the Earth is made up of tectonic plates, including the parts under the ocean. Technically, the Earth's landmass does not rest on the tectonic plates, it IS the tectonic plates, but it is the closest to correct here in my opinion.

The skeleton that donald johanson discovered and named lucy bleonged to the ealest homind group called? a.neanderthals
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c.australopithecines
d.homo erectus

Answers

The answer is c.australopithecines

_____ helps plant cells divide and is located primarily in roots and fruits.AuxinGibberellinCytokininABA

Answers

The answer is cytokinin.

Cytokinin is a plant hormone located in roots and fruits and it promotes cell division.
Auxin helps cytokinin in cell division, it has a great role in cell elongation.
Gibberellins are found in stems, fruits and seeds. They promote flowering, cellular division, and seed growth.
ABA takes part in plant growth regulation and is primarily found in leaves and fruit.

Answer:

C- Cytokinin

Explanation:
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