BIOLOGY HIGH SCHOOL

Which of the following are true concerning living things? Check all that apply. a. They contain a vital force absent in nonliving things.
b. They are composed of molecules that contain carbon-carbon bonds.
c. They undergo chemical reactions to use energy they acquire from the environment.
d. They do not require catalysts to sustain their living state

Answers

Answer 1
Answer:

Answer: b. They are composed of molecules that contain carbon-carbon bonds.  

c. They undergo chemical reactions to use energy they acquire from the environment.  

Living things includes all the organisms that display features which make them distinct from non-living organisms. The living organisms  have an organized structure, they are composed of cells, they require energy to survive or sustain existence, they are able to reproduce and they exhibit ability to grow.

They are composed of molecules that contain carbon-carbon bonds: Carbon is the main component present in all living things. They make up the organic biomass of these living organisms.

They undergo chemical reactions to use energy they acquire from the environment: The plants traps sunlight energy and converts it into food and lastly into chemical energy in the form of ATP. This ATP is used as a energy reservoir for metabolic processes occurring in the plants. Therefore, energy is generated after chemical reactions.
Answer 2
Answer: There are two options which are true concerning living things:
b. They are composed of molecules that contain carbon-carbon bonds. 
d. They do not require catalysts to sustain their living state. 

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Particles of soil often differ greatly from the underlying bedrock in color, mineral compoition, and organic content. Which conclusion about these soil particles is best made from this evidence?

Answers

Answer:

They are transported sediments.

Explanation:

A solid and very hard stone is called a rock. Geology defines rocks as linked solids that are formed by one or more minerals. The notion of a mother, on the other hand, refers to a female who gave birth or the origin of something. The idea of parent rock therefore evokes what defines and defines the mineral matrix of a soil. In other words, the parent rock is the type of rock on which the soil is supported. Through erosion and a weathering process, the parent rock allows the development of the inorganic sector of the land in question.

However, it is common for the soil to be different from the rock that originated it. This difference can be seen in color, mineral composition and organic content. This is because they are transported sediments.
Let's go through the options: 1 They are residual sediments. No, since the information says they're different in color, mineral composition, and organic content. [ The bedrock would have to be the same if the soil was a residual sediment. 2 They are transported sediment. This seems reasonable. If the sediment is not the same type as the rock, it would have had to come from somewhere else. 3 They are uniformly large-grained. Maybe, but it doesn't say anything about it. 4 They are soluble in water. Again maybe, because it doesn't say anything about it. If you think carefully through each option in questions like these, you can usually think through to what things make the most sense.

In cold, snowy areas, water is added to the atmosphere through

Answers

Polar Ice caps Hope this helps, stay in touch with brainly!

The correct answer is sublimation.

Explain how a nerve impulse travels.

Answers

they move across a synapse

What does evaporation change from ? Solid ———> liquid Liquid ———-> Solid What does condensation change from Liquid——-> solid Solid———> liquid

Answers

Answer:

Evaporation : Liquid --- Gas (Vapor) ; Condensation : Gas (Vapor) --- Liquid

Explanation:

Evaporation is the change of a liquid into gas or vapor, usually by increase in temperature. Eg : Water evaporation into vapors during water cycle, due to sun heat.

Condensation is the change of gas or vapor into liquid, usually by decrease in temperature. Eg : Vapors condensation into water droplets during water cycle, due to lower atmospheric temperature at higher height.

The main organs of the excretory system are the _____.

Answers

Answer: The kidneys!
1.Kidneys 
2.Bladder 
3.Skin 
4.Lungs 
5.Ureters 
6.Urethra 
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The process of making RNA from a DNA sequence is calledA. translation.
B. transcription.
C. transduction.
D. transformation.

Answers

The process of making RNA from a DNA sequence is called transcription. Therefore, the correct answer is option b.

Transcription is a fundamental molecular process that occurs in cells to create RNA molecules from the information stored in DNA. Here's a more detailed explanation:

  • DNA as the Genetic Code: DNA (deoxyribonucleic acid) is the genetic material found in the nucleus of cells. It contains the instructions for building and functioning of an organism. These instructions are encoded in the sequence of nucleotide bases adenine (A), thymine (T), cytosine (C), and guanine (G) along the DNA molecule.
  • Transcription Initiation: Transcription begins when a specific segment of DNA, containing a gene (a functional unit of DNA that codes for a particular protein or RNA molecule), is selected for transcription. This gene serves as a template for creating a complementary RNA molecule.
  • RNA Polymerase: An enzyme called RNA polymerase initiates the transcription process. It recognizes a specific region on the DNA called the promoter and starts unwinding the DNA double helix.
  • Base Pairing: As the DNA strand is unwound, RNA polymerase adds complementary RNA nucleotides to the growing RNA strand based on the sequence of the DNA template. However, in RNA, thymine (T) is replaced by uracil (U), so when the RNA strand is synthesized, it contains adenine (A), cytosine (C), guanine (G), and uracil (U).
  • Elongation: RNA polymerase continues to move along the DNA template, adding complementary RNA nucleotides, thus extending the RNA strand. This process continues until it reaches a specific termination sequence on the DNA.
  • Termination: At the termination sequence, transcription stops, and the newly synthesized RNA molecule is released. This RNA molecule is called messenger RNA (mRNA) in most cases, and it carries a copy of the genetic information from the DNA.
  • Result: The end product of transcription is an mRNA molecule that contains the instructions for synthesizing a specific protein. This mRNA molecule can now exit the cell nucleus and move into the cytoplasm, where it will serve as a template during translation for the assembly of amino acids into a protein.

In summary, transcription is the process by which RNA is synthesized from a DNA template. It plays a critical role in gene expression, as it allows the genetic information encoded in DNA to be transcribed into a form (mRNA) that can be used by the cell to produce proteins during the process of translation.

Therefore, the correct answer is option b.

Learn more about transcription here:

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The term for the process of making RNA from a DNA is called B. transcription. hope this helps luv!
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