Three types of mutations that can change a DNA molecule

Answers

Answer 1
Answer: here are 4, i hope this helps :)
substitution- when one or more bases are replaced with the same number of bases in a sequence.
inversion- when a segment is reversed (or turned the other way) 

insertion- when a base is added into a sequence 
deletion- when a base is deleted from the sequence


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Select all of the statements that are true of parenthetical citation.a. A parenthetical citation is very short and is contained within the text.
b. A parenthetical citation includes the author and the title of the work cited.
c. A parenthetical citation gives the author's last name and a page reference for the source material.
d. A parenthetical citation is always in parentheses.
e. Every source used for an assignment must be documented with a parenthetical citation.
f. Only direct quotations need to be documented with a parenthetical citation.
g. A comma is not needed between the author's last name and the page reference.
h. The abbreviation for page is used in a parenthetical citation.

Answers

The parenthetical citation is a system of citation which is used widely in text citations which are made up of parentheses. Thus, the correct options are A, C, D, E, and G.

What is Parenthetical citation?

Parenthetical citation or Parenthetical referencing is a citation system which is used in text citations. It is usually accompanied with a full, alphabetized list of citations.

A parenthetical citation is a very short reference type and is contained within the text. A parenthetical citation gives the complete information about the author's name and last name and the page reference for the source material of the text.

A parenthetical citation is always written in parentheses. In this reference, each and every source used for the assignment must be documented with a parenthetical citation. A comma is not requires between the author's last name and the page reference in this reference.

Therefore, the correct options are A, C, D, E, and G.

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A, C, D, E, G are the correct answers. hope this helped.

All the major organs of the body are formed by week 10 of gestation. Which process makes this possible?a.growth

b.fertilization

c.self-renewal

d.differentiation

Answers

All major body organs are formed by week ten of gestation.

The process which makes this possible is called differentiation.


 Differentiation is the process by which cells, organs, and tissues acquire specialized features during the development of embryonic.

The process which makes this possible is called differentiation.

In the 1970's, what element wasremoved as an additive from
gasoline?
A. copper
B. zinc
C. palladium
D. lead

Answers

Finally, in 1972 the U.S. Environmental Protection Agency announced that leaded gasoline would be phased out.

What is Gasoline?

Petroleum-derived combination of flammable, volatile liquid hydrocarbons used as fuel for internal combustion engines; often spelled gasolene, gas, or petrol.

Additionally, it serves as a fat and oil solvent. Because of its high energy of combustion and ability to mix easily with air in a carburetor, gasoline—originally a byproduct of the petroleum industry, with kerosene being the main product—became the favored fuel for automobiles.

Not specifically to combat lead poisoning but because lead was known to interfere with new smog-reducing catalytic converters that from 1975 would be built into new cars.

Therefore, Finally, in 1972 the U.S. Environmental Protection Agency announced that leaded gasoline would be phased out.

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Answer:

According to 1988

the lead phase out in united state of American

In order to protect off of aquifers near landfills material is placed under the soil to prevent pollution which property must the protective material process

Answers

Answer: Permeability. 

This property allows liquids to pass through the material but also filters out pieces of garbage and other pollutants. In aquifers, permeable rocks or synthesized permeable material are used so that trash, or clay will not leak into the groundwater. 

The answer is impermeability. The protective materials prevent the leakage and seepage of contaminated water (such as those of battery acid and household cleaners), by gravity, to the water table in the aquifer. If this is not done, contamination of groundwater may result and cause a public health disaster when the contaminated water is used for consumption when it reaches water wells.

A wet handkerchief is kept on the forehead of person suffering from fever. why?​

Answers

Answer:

the water evaporates and absorbs the heat from his body, that causes cooling and lowers his body temperature.

Explanation:

Most of the surviving Chavín buildings served which of the following purposes? A. Government centers
B. Places of worship
C. Trading posts
D. Military encampments

Answers

Most of the surviving Chavín buildings served as places of worship. The answer to your question is B. I hope this is the answer that you are looking for and it comes to your help.

The correct answer is option B. Places of worship.

The Chavin culture is one of the ancient civilizations, which is extinct now. The Chavin buildings were built by the people living that era. These buildings are the archaeological sites, and many artefacts are found in these buildings. The buildings are now used as a place of worship now a days. The buildings are found in Peru, and thought to be constructed around 1200 BC.