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why do plants need chloroplasts and animals don t

by Sally Thiel DVM Published 3 years ago Updated 2 years ago

Animal cells don`t have a dividing cell wall like plant cells do, but both do have plasma membranes. Plants cells use photosynthesis from the sun, which requires them to have chloroplast filled with chlorophyll to complete this function; animal cells do not have chloroplasts

Chloroplast

Chloroplasts /ˈklɔːrəˌplæsts, plɑːsts/ are organelles, specialized subunits, in plant and algal cells. Their discovery inside plant cells is usually credited to Julius von Sachs (1832–1897), an influential botanist and author of standard botanical textbooks – sometimes called "The Father of Plant Physiology".

. Chlorophyll also helps make plants green.

In order to do photosynthesis, a plant needs sunlight, carbon dioxide (CO2) and water. Once the sugar is made through photosynthesis, it is then broken down by the mitochondria to make Page 2 energy for the cell. Because animals get sugar from the food they eat, they do not need chloroplasts: just mitochondria.

Full Answer

What do plant and animal cells have in common?

what organelles do plant and animal cells have in common

  • PLANT VS ANIMAL CELLS
  • Biology: Cell Structure I Nucleus Medical Media
  • Cells (Parts and Functions), Plant and Animal Cell | Grade 7 Science DepEd MELC Quarter 2 Module 4
  • Plant and Animal Cells – Organelles (Middle School Level)

What are the 5 differences between plant and animal cells?

  • Mitochondria
  • Endoplasmic reticulum
  • Ribosomes
  • Golgi apparatus
  • Cytoplasm

What are diseases caused by chloroplast?

Supplemental Data

  • Supplemental Figure S1. PSII fluorescence is reduced in the crl mutant.
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What is the difference between an animal cell and a plant cell?

Differences Between Animal Cells and Plant Cells

  • Size. Animal cells are generally smaller than plant cells. ...
  • Shape. Animal cells come in various sizes and tend to have round or irregular shapes. ...
  • Energy Storage. Animals cells store energy in the form of the complex carbohydrate glycogen. ...
  • Proteins. ...
  • Differentiation. ...
  • Growth. ...
  • Cell Wall. ...
  • Centrioles. ...
  • Cilia. ...
  • Cytokinesis. ...

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Why do animals lack chloroplasts?

After photosynthesis, the sugar is broken down by the mitochondria to produce energy. Animals don't need chloroplasts because they acquire sugar from their diet; they just need mitochondria. Vacuoles are found in both plant and animal cells.

Why do only plants need chloroplasts?

Chloroplasts are found in plant cells only because chloroplasts contain chlorophyll which is essential for photosynthesis. Chlorophyll traps sunlight and uses it to prepare food for plants by the process of photosynthesis.

What would happen if animal cells have chloroplasts?

What would happen if we had chloroplasts? The world would be very green. To be able to photosynthesize, an organism needs chloroplasts. … With a bit of sunlight, the chloroplasts work their magic and convert the absorbed water, minerals, and carbon dioxide into glucose, the same sugar that humans rely on for energy.Nov 30, 2021

What if plant cells have no chloroplast?

Without chloroplasts, plants would not be able to get their energy from the sun and would cease to survive, leaving us without food. On the other hand, without mitochondria, animals would be lacking in cellular energy and would also fail to survive.Mar 12, 2019

Why don't animals have chloroplasts?

Animal cells don't have chloroplasts because animals aren't green plants. Chloroplasts are organelles, or small, specialized bodies in plant cells that contain chlorophyll and help with the process of photosynthesis. Like mitochondria, chloroplasts have their own DNA.

What is the inner membrane of chloroplasts?

They have an inner and outer membrane. The inner membrane surrounds and protects stacks of thylakoids, which are called grana and the stroma. Stroma is an alkaline, nutrient-rich fluid.

What happens to chlorophyll when it absorbs sunlight?

When the chlorophyll molecule in a chloroplast absorbs sunlight, the molecule gets excited and loses an electron. This gives it a positive charge and allows it to grab electrons from other substances, including water. This destabilizes the water molecule, which decomposes and releases oxygen and hydrogen.

What is the waste product of plants?

The oxygen is the plant's waste product, which humans and other animals use to breathe. The plant uses hydrogen to convert carbon dioxide into simple sugars. This CO 2 fixing happens in the stroma and is the basis of photosynthesis. ADVERTISEMENT.

What would happen if the chloroplasts were not in the sun?

Without the chloroplasts, there would be no cells capturing the sunlight from the sun and no place to process the nutrients and convert them into glucose and oxygen.

What is the function of the chlorophyll in plants?

It is used to combine carbon dioxide and water and to produce glucose and oxygen. The chlorophyll in the chloroplast is the one responsible for giving the plants the green hue. The mitochondrion (plural form: mitochondria) is the one that processes the glucose and converts it to energy to be stored. This energy is then used by the plant ...

Why are mitochondria called the powerhouse of plants?

This is why mitochondria are called the powerhouse of plants. They take the glucose produced by the plants and convert them to energy through oxidative phosphorylation. This is done via a series of enzymes and proteins which are then combined with oxygen to produce ATP.

What is the process of photosynthesis?

Photosynthesis is the process used by plants and some organisms to convert light energy into chemical energy. This process supply fuel for the entire organism’s functions. It has 2 major players – the chloroplasts and the mitochondria. The chloroplast is where the actual photosynthesis process occurs where sunlight is captured.

How do prokaryotic cells turn into eukaryotic cells?

They were once prokaryotic cells that soon turn into eukaryotic cells. This is by joining or invading other cells either through phagocytosis or parasitism. And instead of killing or being digested by the host cells, the inner cell survived and thrived together with it.

How does cellular respiration work?

This is done via a series of enzymes and proteins which are then combined with oxygen to produce ATP. This completes the process of cellular respiration. This allows the mitochondria to process raw materials. And turn them into usable energy for plants to use in their daily function, with or without the sun.

Why do plants need mitochondria?

Why do plant cells need mitochondria? Since plants already have chloroplasts, why do plant cells need mitochondria? As mentioned above, the mitochondrion is the one in charge of producing energy for the plants. Energy to perform their functions throughout the day and night.

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