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Yakvenalex [24]
4 years ago
8

Which of the following has a cell membrane?

Biology
1 answer:
Leviafan [203]4 years ago
6 0
Both a and b has a cell membrane or a plasma membrane!

I hope this helps! :D
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Consider how to complete this timeline to show the order in which different evolutionary ideas were developed.
patriot [66]

Answer:

The answer is c. W,X,Z

Explanation:

According to the evolutionary timeline:

  • (W)  In 1798, Thomas Robert Malthus published an essay, "An Essay on the Principle of Population." Malthus proposed that the current rate of population growth would deplete current resources.
  • (X)  1809 marked the publication of the first theory of evolution. Jean Baptiste Lamarck proposed that evolution occurred through the inheritance of acquired characters.
  • (Z)  In 2003, Wayne State University School of Medicine's Dr. Morris Goodman conducted studies that revealed a 99.4% genetic similarity between human and chimpanzees. This sparked a debate in the scientific community whether to include chimpanzees in the genus, Homo.
  • * If Y is part of the choices, it comes after (X).
5 0
3 years ago
Read 2 more answers
Regular human body cells contain a total of 46 chromosomes. Therefore, because of meiosis, sperm cells contain ____ chromosomes.
Nataliya [291]
Regular human body cells or somatic cells have a total of 46 chromosomes. Therefore, because of meiosis, sperm cells, which are gametes or sex cells must contain 1/2 of the number of total chromosomes found within a somatic cell, to make sure that the chromosome number within an organism is maintained, this would be 23 in this case.
5 0
3 years ago
If potassium permanganate was placed in a solution of boiling water (100°C), would the rate of diffusion be greater than diffusi
Leya [2.2K]

The rate of diffusion increases as temperature increases.Hence, the rate of diffusion will be the greatest in boiling water then warm water and cold water at last

  • The movement of molecules along a concentration gradient is known as diffusion.
  • It is a significant process that all living things go through. Diffusion facilitates the flow of materials into and out of cells.
  • Increased energy from higher temperatures causes the molecules to move more quickly, speeding up the diffusion process.
  • Lower temperatures cause the molecules' energy to drop, which lowers the diffusion rate.
  • The rate of diffusion increases with increasing concentration differences.
  • The particles will move and mix more quickly at a greater temperature because they will have more kinetic energy.

Hence, the diffusion rate will be boiling water>warm water>cold water

Learn more about potassium permanganate here:

brainly.com/question/14571753

#SPJ10

6 0
2 years ago
Which of the following would most likely happen if the epithelial cells in the stomach failed to produce mucus? (2 points)
maksim [4K]
<span>Gastric juice would digest the stomach lining, resulting in ulcers.

</span>
4 0
3 years ago
What structural feature of a leaf enables it to convert co2 from the air to atp?
notka56 [123]
Conversion of CO2 into the ATP occurs during the process of photosynthesis in different compartments of leaves. <span>Small openings-stomata are found on the surface of leaves, and they let CO2 diffuse into the mesophyll layer. The mesophyl layer of the leaf is the middle layer and it is the primary site of photosynthesis. Cells inside the mesophyll contain chloroplasts, which are specialized for the reactions of photosynthesis. The chloroplasts are composed of disc-like structures called thylakoids and the membrane of each thylakoid contains green-colored pigments called chlorophylls that absorb light. The fluid-filled space around the thylakoid is the stroma, and the space inside is the thylakoid space<span>. Different chemical reactions occur in the different parts of the chloroplast.</span></span>
4 0
3 years ago
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