BIOLOGY MIDDLE SCHOOL

Is an insertion a point mutation or frameshift mutation?

Answers

Answer 1
Answer:

Answer:

A frameshift mutation is produced either by insertion or deletion of one or more new bases. Since the reading frame begins at the start site, any mRNA produced from a mutated DNA sequence will be read out of frame after the point of the insertion or deletion, yielding a nonsense protein

Explanation:

give me brainliest pls ;)

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Which of the following lists include only abiotic factors?a. sunlight, rainfall, soil
b. plant roots, rainfall, temperature
c. Sunlight, soil ph, native animals

Answers

A is the correct answer

Which chromosomal defect is caused when part of a chromosome breaks off and reattaches backward on the same chromosome?

Answers

Answer:

Translocation

Explanation:

Translocation is a chromosomal defect in which part of a chromosome breaks off and reattaches backward on the same chromosome.

Translocation can happen due to many reasons like:

A) Some of the changes that arise around the time of conception  or production of sperm or egg.

B) The inheritance of altered chromosome from father or mother.

Translocations can be divided into two forms:

  • Reciprocal translocation
  • Robertsonian translocation.

In reciprocal translocations,  fragments of two chromosomes break off from two different places, break and swap each other's segments. While in  Robertsonian translocation one chromosome attached with other.

Hope it help!

Answer:

Translocation :)

Explanation:

B

Which kind of organism is found at the end of a food chain?

Answers

Which kind of organism is found at the end of a food chain?

A Decomposer is your answer
Herbivores are found at the end of a food chain

Imagine you do a an experiment to find out how soil moisture affects seedling growth and you plant seeds in soils with 3 different moisture values. What is your independent variable? *number of seeds
*soil moisture
*number of soil types

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i would think that it would be (number of soil types)
the moisture in the soil.

Describe at least two objects whose outlines are like an ellipse.

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A bowl or a cup would help
An egg and A watermelon or you could say a plate :)

From sea level,the biosphere goes up about 9km and down about 19 km. What is the thickness of the biosphere in meters?

Answers

28km i believe but i could be wrong let me know if this helped or not:)
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I NEED HELP PLEASE The ability to use old cells is an advantage of _____. hybridization DNA testing restriction fragment length polymorphism (RFLP) polymerase chain reaction (PCR) all DNA testing procedures -------- Which of the following is an example of genetic discrimination? Miranda's doctor asks her to take a genetic test before she gets pregnant. Wesley pays more for his insurance than his younger brother. Veronica is cut from the swim team because of poor grades. Timothy does not get a promotion at work because he has cancer. ------- Which of the following statements is true? Offspring from recombinant DNA are genetic copies of their parent. Selective breeding is controversial because it creates sterile offspring. Recombinant DNA combines genes from two different organisms. Natural selection is the oldest form of genetic engineering. --------- Which of the following statements is true? Some DNA tests analyze the mitochondria instead of the nucleus of a cell. Inconclusive DNA test results indicate usually means the suspect is guilty. The most common biological evidence used in DNA testing is sweat. DNA testing cannot be done on cells that have been dead for more than five years. --------- Selective breeding _____. creates offspring which are genetically identical to the parent is the process of breeding only organisms with desirable traits involves the removal of the nucleus of a cell combines traits from organisms of different species ------ Fritz has a DNA test to determine if he shoplifted from a local convenience store. The test results are inclusive. This means Fritz_____. has an identical twin was at the scene of the crime is not guilty of shoplifting has never been to the store