BIOLOGY HIGH SCHOOL

a star with very low mass and its core slowly converts hydrogen to helium through fusion. what will mostly happen to the star as it ages?

Answers

Answer 1
Answer: white dwarf on plato no prob

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A researcher recorded that a chemical reaction required 2.90 gal water and raised the temperature of the reaction vessel by 57 F. Convert the researcher's volume measurement to the SL units of literThere are 3.875 L in 1 gallonA. 11.0 LB. 8.9 LC. 9.11 LD. 11 L
Who argued that individuals learn aggressive behavior by imitating and learning from others?A. Albert Bandura B. Emile Durkheim C. Daniel M’Naughten D. Travis Hirschi
Which best describes homeostasis?. a Specialized cells work independently to perform their specific functions.. b Specialized cells work only as a team to perform the functions of the body.. c Specialized cells work independently to perform specific functions and also as a team to perform the functions of the body.. d Specialized cells in the body perform all the functions that are necessary to maintain homeostasis.
What element do all organic compounds contain

While trees are not the largest level in the pyramid of numbers, they are still the base for both the pyramids of biomass and pyramids of energy.true or false

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true is my answer  for this question                              

Answer:

T

Explanation:

Edg 2021

What is a major source or carbon in the marine ecosystem

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The fossils of marine organisms.
Hope I helped.

What role do pigments play in the process of photosynthesis

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Answer:

Pigments absorb the light (capture as much light energy as possible) used in the process of photosynthesis.

Explanation:

Photosynthetic pigments are chemical compounds that absorb and reflect certain wavelengths of visible light, that is, they absorb light and have a color.

They are vital components for the process of photosynthesis, the most important pigment is chlorophyll. Chlorophyll is a large molecule, which captures the energy of sunlight and converts it into high-energy electrons. This occurs during the light reactions of photosynthesis, while high-energy electrons are subsequently used during dark reactions in the synthesis of glucose.

Glucose provides energy for cells. Different cells have different mechanisms for glucose intake. Intestinal cells contain proteins that transport glucose against its concentration gradient. These proteins couple the movement of glucose to the movement of sodium down its concentration gradient. Red blood cells have transporter proteins embedded in their membranes. When bound by a glucose molecule, these proteins change shape and allow glucose to move down its concentration gradient into the cell. Based on this information, what type of transport is used for glucose in blood and intestinal cells?

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The answer is; active transport in small intestines and passive transport in blood cells

In passive transport, no energy is required to transport the glucose molecules because they spon6tanosuely move down their concenntrati0n gradient. The transport protein in the blood cell membrane only enables the molecule to pass across the hydrophobic layer of lipid in the membrane and into the cell.

In active transport, energy is required in the transportation of glucose against their concentration gradient (glucose is highly concentrated in the lumen of the intestines than in the bloodstream). Sodium/Potassium (Na+/K+) pumps play a significant role in the transport of glucose. When sodium diffuses back into the cells, they drag along glucose molecules  with them across the sodium-glucose transporter protein.


Answer: active transport in small intestines and passive transport in blood cells

Explanation: It is a Passive Form Of Transport In Blood

In both American cotton (Gossypium hirsutum) and Egyptian cotton (G. barbadense) petal spot is a dominant character over no petal spot. When the cross is made within the species, the F2 progeny segregates in a 3:1 ratio with petal spot character in 75% of the population. However, no clear cut ratio is obtained in respect of the same flower character, when the cross is made reciprocally between the above two species. What is the explanation of this fact?

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I would say 4 because genetic drift could cause this if the population is small

If each normal body cell of a human contains forty-six chromosomes, then the number of chromosomes in a human egg will be

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23 chromosomes, as it is a haploid cell, produced by meiosis

Answer:A

Explanation:
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The theme of Rabindranath Tagore’s poem “We Both Live in the Same Village” is best summed up in which of the following statements?A. The natural world is as beautiful as the woman the speaker admires. B. The elements of the natural world reflect and connect the lover’s bliss. C. The beauty of the natural world is not as great as his beloved’s beauty. D. The lovers thrive when every beautiful thing in nature shares their happiness.