BIOLOGY HIGH SCHOOL

How does the action of wind affect a rock's appearance?

Answers

Answer 1
Answer: Forces like wind and water break down rocks through the processes of weathering and erosion. ... Forces like wind and water move the rock pieces. They mix with matter like sand to become sediment. Weathering and erosion help shape Earth's surface

Related Questions

If an electron is gained, the atom has a ? Charge
If the water concentration inside the cell is higher than the water concentration outside the cell, then the inside of the cell is ________ compared to the outside.
Why does the enzyme trypsin get deactivated when introduced in the gastric juice of the stomach?
The major light absorbing pigment in green plant photosynthesis isA) rhodophyll. B) chlorophyll. C) cytochrome a. D) cytochrome c.
Which of these is happening when translation takes place?A. DNA is being replicated.B. tRNAs are bringing amino acids to the ribosomes.C. mRNA is still in the nucleus.D. rRNAs expose their anticodons.

The process in which the nucleus of a eukaryotic cell devides during asexual reproduction is called

Answers

Answer:

Mitotic Phase 

Explanation:

During mitosis, the two sister chromatids that make up each chromosome separate from each other and move to opposite poles of the cell.

An mRNA is 429 nucleotides long. The number of amino acids in the polypeptide chain formed from this mRNA is(A) 143.
(B) 142.
(C) 141.
(D) 429.
(E) 428.

Answers

B. 142. This is because one of the molecules has to be a stop codon which doesn't code for an amino acid. So there are only 426 nucleotides coding for the polypeptide chain. It takes 3 nucleotides to code for an amino acid. So 426 divided by 3 is 142, which is the amount of amino acids that will be part of this chain.

Final answer:

An mRNA of 429 nucleotides will form a polypeptide chain with 143 amino acids, assuming each codon (set of 3 nucleotides) corresponds to an amino acid and the stop codon is not counted.

Explanation:

For the synthesis of protein in a process known as translation, each triplet set of nucleotides in the mRNA, called a codon, identifies a specific amino acid. Hence, an mRNA of 429 nucleotides would be segmented into a set of 3 to form the different codons for the amino acids. Since 429 divided by 3 is 143, the polypeptide chain resulting from this mRNA would have 143 amino acids.

In this case, the correct answer would be (A) 143. This calculation does not take into account the stop codon that does not correspond to an amino acid, but usually examination questions ignore the effect of the stop codon. To provide the most accurate answer, we would need to know if the mRNA sequence includes the stop codon or not.

Learn more about Protein Synthesis here:

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Meiosis ii typically produces _____ cells, each of which is _____.

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Meiosis II typically produces four cells, each of which is haploid.

What is meiosis?

Haploid cells contain half the number of chromosomes as the original cell and are used in sexual reproduction to form a new organism with unique genetic information.

During meiosis II, the two daughter cells produced from meiosis I undergo another round of cell division, resulting in four haploid cells. These haploid cells are then used in fertilization to form a zygote with the full complement of chromosomes.

Learn more about meiosis, here:

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produces four
of which is heploid

Which answer correctly identifies a cell-cycle checkpoint with a criterion for passing it?

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The correct answer for the question that is being presented above is this one: "B. G2 checkpoint: Chromosomes have replicated successfully."

Here are the following choices:
A. S checkpoint: DNA is undamaged.
B. G2 checkpoint: Chromosomes have replicated successfully.
C. Metaphase checkpoint: DNA is undamaged.
D. G1 checkpoint: Chromosomes have replicated successfully.

Which force brought together the material from the nebula to form the solar system? A. electromagnetism B. strong nuclear force C. weak nuclear force D. gravity

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According to the nebula theory, it would be gravity.
force that brought together the material from the nebula to form the solar system is D) gravity.

Why is it important to use metric system when conducting scientific investigation

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So you know that your measurements are exactly correct.

The metric system is in place as a standard unit of measurement. It's important to use standardized units so that scientists elsewhere, anywhere, can repeat the investigations to confirm the work.
Other Questions
The sensory division of the bodya. is part of the central nervous system. b. includes sensory neurons that receive impulses from the central nervous system. c. contains the somatic and autonomic nervous systems. d. transmits impulses to the central nervous system from sense organs.
The color of a flower is controlled by two alternative alleles at a single locus, r (red) and r (white). if an individual has the rr alleles, it is considered to be
Which of the following features differentiates sporozoans from the other phyla of protozoans?
if you were a scientist developing a drug that would block viral replication, which steps would you block? Explain.