BIOLOGY HIGH SCHOOL

Which of these is a common feature for the lac and trp operon?Regulatory proteins bind to operator
Regulatory proteins bind to promoter
Regulatory proteins bind to repressor

Answers

Answer 1
Answer: Regulatory proteins bind to repressor

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Answer 2
Answer: the correct answer is c

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Why is tissue typing necessary before a kidney transplant?A. to determine the compatibility of the blood types of donor and recipient B. to determine the compatibility of the organs of donor and recipient C. to determine the compatibility of antibodies of donor and recipient D. to determine the compatibility of the blood vessels of donor and recipient
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In Franz Kafka's The Metamorphosis, Gregor still has human feelings and sensations even though he's a bug. At one point, he wishes to enjoy the music of Grete's violin playing. Gregor's wish symbolizes which of the following? A. love of music
B. magnified self-image
C. desire for beauty
D. mind-body conflict

Answers

It symbolizes the A. love of music. The book Metamorphosis has 4 main characters: Gregor, Grete, Mr. Samsa, and Mrs. Samsa. Gregor had plans of sending Grete, his sister, to a violin lessons because it is her dream. In the end of the story, Gregor died and it was a relief of his family.
It symbolizes the A.
love of music.
The book Metamorphosis has 4 main characters: Gregor, Grete, Mr Samsa, and Mrs Samsa. Gregor had plans of sending Grete, his sister, to violin lessons because it is her dream. At
 the end of the story, Gregor died and it was a relief for his family.

Explanation:
The Metamorphosis (German: Die Verwandlung) may be a novelette written by Kafka that was 1st revealed in 1915. one in Kafka's known works, The Metamorphosis tells the story of salesperson Gregor Samsa World Health Organization wakes one morning to seek out himself inexplicably remodelled into an enormous insect and afterwards troubled to regulate to the presented condition.

How much weight should a teen gain during pregnancy?

Answers

Answer:

It depends on the weight of teen before getting pregnant.

25 to 35 pounds should be weight gain for average weight girl , for underweight girl it should be 28 to 40 pounds and 15 to 25 pounds for overweight girl.

Explanation:

Nutrition , exercise is must for healthy teen pregnancy. All essential vitamins , minerals iron , calcium , folic acid should be in the diet. Low intake of essential diet leads risk of low weight of  baby , also may be other health complications. Alcohol, smoking , drugs should avoid during pregnancy.

which technology allows strands of dna to be transferred from the cells of one species into the cells of another species?

Answers

Genetic engineering would be the process of the whole thing. The tool it self would just be known as recombinant DNA technology. 

Mitosis and meiosis are methods of cell division. Which of the following is true of these two methods? A. Meiosis involves only one division, while mitosis involves two divisions. B. Mitosis involves two or more divisions, while meiosis involves exactly two divisions. C. Meiosis involves two or more divisions, while mitosis involves exactly two divisions. D. Mitosis involves only one division, while meiosis involves two divisions.

Answers

Answer:

D. Mitosis involves only one division, while meiosis involves two divisions.

Explanation:

Mitosis and meiosis are processes of cell reproduction that happen in living beings. They originate cells for different purposes. Each mitosis produces two cells equal to the source. An meiosis creates four daughter cells with half the genetic material of the mother cell.
D. Mitosis involves only one division, while meiosis involves two divisions.


Mitosis --> Two identical diploid daughter cells from one division

Meiosis --> Four unique haploid daughter cells from two divisions

During transcription, enzymes bind to a molecule of DNA.Then, the enzymes unwind and separate the DNA's double helical strands. As the molecule unwinds, complementary nucleotides pair with one of the DNA strands to form

Answers

Answer - Mainly RNA Molecule

Reason - Reason is it needs an information is important to the development and synthesis of protein.
Its RNA molecule lol

During the germinal period of prenatal development, some cells become part of the brain, some become part of the leg, and some become part of the stomach, etc. the term for this process is: select one:a. duplication.
b. division.
c. differentiation.
d. specialization.

Answers

The correct answer is c.

Differentiation in prenatal development is the process of growthand development in which embryonic cells become specialized and differenttissue structures rise. Differentiation of the cells during this stage is crucialto the cell, tissue, organ, identity of the organism.
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