Most of the matter of the universe exists in which state?

Answers

Answer 1

Answer:

Answer:

plasma state

Explanation:

Matter in the plasma state has variable volume and shape, but as well as neutral atoms, it contains a significant number of ions and electrons, both of which can move around freely. Plasma is the most common form of visible matter in the universe.

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Valves called ______________ hold the food in the stomach.

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Pyloric sphincter is what holds your food in your stomach

Which of the following events happens first in the development of a new organism?a. A morula is formed.
b. A blastocyst implants into the uterine wall.
c. A sperm fertilizes an egg to form a zygote.
d. A zygote undergoes mitosis.

Answers

The answer is c. A sperm fertilizes an egg to form a zygote.

The first step in the development of a new organism is a sperm fusion with an egg and formation of a zygote. The zygote then undergoes mitotic divisions and as a result a morula forms. Morula is 16-cell mass that continues to divide and forms a blastocyst, which later implants into the uterine wall.

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

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Answer:

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

Explanation:

When we see chiasmata under a microscope, that lets us know which of the following has occurred? A) asexual reproduction
B) meiosis II
C) anaphase II
D) prophase I
E) separation of homologs

Answers

When we see chiasmata under a microscope, that lets us know that prophase I has occurred. During this phase of meiosis, the nuclear envelope breaks up and disappears, and so does nucleolus. The chromosomes become visible at this point.

Gene therapy, which includes the correction of defective genes, is a significant part of the human genome project. Which of these is an application of the technique?A: A new protein, which can repair defective genes, is injected.
B: Mutated DNA sequences, which can pair with existing genes, are introduced.
C: The DNA sequences of the entire genomes of disease-causing microbes are compared.
D: A new gene, which codes for the protein that can repair defective genes, is introduced.

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The correct answer for the question that is being presented above is this one: "D: A new gene, which codes for the protein that can repair defective genes, is introduced." Gene therapy, which includes the correction of defective genes, is a significant part of the human genome project. Among the following choices, A new gene, which codes for the protein that can repair defective genes, is introduced is an application of the technique.

D: A new gene, which codes for the protein that can repair defective genes, is introduced.

____ is a process by which organisms with characteristics suited to the environment will survive and reproduce. a. natural selection c. evolution b. artificial selection d. organic evolution

Answers

The correct answer is (a) Natural Selection

Natural Selection is the process by which the the phenotype which best suits the environment survives and reproduce. This is because of the differences in the phenotype. The species evolve through a period of time to adapt the environment. The adaptations or the characters are inherited to the next generation over the population. Natural selection acts on the phenotype and is the main key for evolution of species.

0a is the answer hope this helped

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