BIOLOGY HIGH SCHOOL

Which process could a forensic scientist use to analyze a DNA sample from a crime scene to identify a criminal? A.Y-chromosome analysis B.recombinant DNA technology C.DNA fingerprinting D.paternity testing

Answers

Answer 1
Answer: c) dna fingerprinting
Answer 2
Answer:

Answer:

The DNA fingerprinting is the correct answer I took the quiz

Explanation:

Related Questions

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Medical science provides many ways to diagnose the cause of infertility and to treat it. . . What is the procedure that involves “washing” to separate healthy sperm from the unhealthy ones, and then placing this concentration of healthy sperm into the uterus around the time of ovulation?.
Darwin hypothesized that there are definite steps to natural selection. Consider the model here. Use the Roman numerals (I - III) to guide you through the steps. Which is an accurate description of Darwin's hypothesized theory of natural selection? A) Sexual reproduction of bacteria cause variation. Some bacteria survive and some do not. Over time all of the bacteria should become extinct. B) In any population, variation exists. Some bacteria are resistant to antibiotics. Most bacteria die, but the bacteria that are resistant survive and reproduce. C) In a population of bacteria that are exposed to antibiotics, some bacteria change their genetic make-up and survive. The new genetic make-up is passed on to offspring. D) There is a change in the environment: an antibiotic is added. Some of the bacteria are capable of changing to the new environment. They survive and reproduce, passing along their favorable traits.

A scientist compares two cells, Cell A and Cell B, and notes that Cell B has a higher phospholipase C content than Cell A. Assuming no other factors are affecting this pathway, what can be said about the likely concentration of Ca2+ in Cell B compared to Cell A?

Answers

No cell B is not compared to cell A

Dissolution and precipitation of _______ are the main processes that form limestone caves? A. calcite
B. sandstone
C. clay
D. salt water

Answers

The answer is A. Calcite. Limestone is a rock that is mostly composed of the mineral calcite and aragonite. Sometimes, limestone is formed purely by the precipitation of calcite. Calcite can be precipitated or dissolved by groundwater onto the surface of rocks to form a mineral coating.

What effect do you expect the structural differences between prokaryotes and eukaryotes to have on their function?

Answers

 The biggest difference between prokaryotes and eukaryotes is that eukaryotes have a nucleus. They also have other membranestructures called organelles. Both organisms are composed of cells, the basic unit of life, with each cell surrounded by a cell membrane.

In 1953, Miller and Urey constructed an experiment that attempted to mimic the conditions leading to the formation of biomolecules on early Earth.Part A: Construct a hypothesis statement that Miller and Urey might have made prior to conducting their experiment. Use an “if, then” format to write your statement. (1 point)


Part B: Describe in detail their experiment. Include what they used to simulate the conditions of early Earth, and what their results were. (3 points)

Answers

Answer:

A// If early conditions of primeval earth had ammonia, methane, hydrogen in its atmosphere, then it is possible that amino acids such as glycine, α-alanine, and β-alanine may have been spontaneously formed from chemical reactions spurred by energy from lightning.

Their hypothesis was that the early conditions of primeval earth favored the spontaneous formation of organic molecules, from inorganic precursors, that may have been the origin of life. This theory is called abiogenesis.

B//Miller Urey put methane, ammonia, hydrogen gases in a glass flask and a pool of water at the bottom of the glass flask. The flask was heated moderately to simulate the hot conditions then. Sparks were also occasionally induced in the flask to mimic lighting. The flask was then cooled slowly to simulate cooling of earth over time.After one day, they found the presence of some amino acids (glycine, α-alanine and β-alanine) was discovered in the water in the flask

Explanation:

^

Answer:

part a:If early conditions of primeval earth had ammonia, methane, hydrogen in its atmosphere, then it is possible that amino acids such as glycine, α-alanine, and β-alanine may have been spontaneously formed from chemical reactions spurred by energy from lightning.

Their hypothesis was that the early conditions of primeval earth favored the spontaneous formation of organic molecules, from inorganic precursors, that may have been the origin of life. This theory is called abiogenesis.

part b:Miller Urey put methane, ammonia, hydrogen gases in a glass flask and a pool of water at the bottom of the glass flask. The flask was heated moderately to simulate the hot conditions then. Sparks were also occasionally induced in the flask to mimic lighting. The flask was then cooled slowly to simulate cooling of earth over time.After one day, they found the presence of some amino acids (glycine, α-alanine and β-alanine) was discovered in the water in the flask

Explanation:

HELPPPPPPPPPPPP ASAP PLS I BEGA: beryllium
B: cobalt
C: magnesium
D: zinc

Answers

ITS B IM PRETTY SURE

Answer:

I think it is B, but I might be wrong

HELP!!!!15 POINTS!!!!!!

i think it's f but idk..

Answers

F is a very good choice
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