Help me answer #2-3 plz and ty
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3. Sickle cells are important because they cause a lot of harm to people with sickle cell anemia. Not only can they not carry enough oxygen, but they also clog capillaries in many tissues, which causes many issues and leads to the death of that person.
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- Cell Wall: Provide and maintains the shapes of the cells.
- Cell Membrane: controls what goes in and out of the cell.
- Cytoplasm: the "space filler" of the cell.
- Vacuole: Storage holder of the cell.
- Lysosomes: they digest unneeded food particles,wasted cell parts + foreign invaders.
- Mitochondria: makes cell energy.
- Golgi bodies: packages proteins.
- Chloroplast: Where photosynthesis takes place.
- Chromatin: contains the hereditary material of the cell.
- Ribosomes: makes proteins for cell activities.
- Endoplasmic Reticulum: transport system of the cell.
Animal Cells
- Cell Membrane: controls what goes in and out of the cell.
- Nucleus: controls the cells activities.
- Cytoplasm: the "space filler" of the cell.
- Vacuole: Storage holder of the cell.
- Lysosomes: they digest unneeded food particles,wasted cell parts + foreign invaders.
- Mitochondria: makes cell energy.
- Golgi bodies: packages proteins.
- Chromatin: contains the hereditary material of the cell.
- Ribosomes: makes proteins for cell activities.
- Endoplasmic Reticulum: transport system of the cell.
A) producing milk to feed young
B) guarding young from predators
C) protecting young from cold weather
D) abandoning young before eggs are hatched
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Answer:
The answer is D. abandoning young before eggs are hatched.
Explanation:
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The function of villi, small finger-like projections in the intestines, is to allow for more surface area in the small intestines. This way, absorbing nutrients from digested food into the blood would improve greatly. Although they do not help in digestion, they are still important parts of the digestive system.
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The structures help both plant and animal cells meet the challenges of life is nucleus and cell membrane. Thus, option B is correct.
What is nucleus and cell membrane?
Nucleus is the main cell organelle and the main function of the nucleus is to control and coordinate all the function of the cell. Nucleus is known as the brain of the cell and it has been present in the center of the cell. The color of the nucleus is black in color.The main function of the cell membrane has to keep away the toxic material out of the cell.
Cell membrane has been defined as a wall that differentiate and protect the inner structure of the cell from the outer environment. Nucleus is known as the brain of the cell and it has been present in the center of the cell. The color of the nucleus is black in color.The main function of the cell membrane has to keep away the toxic material out of the cell. The cell membrane that contain the channels as well as receptors that give the permission to only selective permeable membrane to enter into the cell.
Therefore, The structures help both plant and animal cells meet the challenges of life is nucleus and cell membrane. Thus, option B is correct.
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A.
oxygen
B.
nitrogen
C.
carbon dioxide
D.
methane