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Zigmanuir [339]
3 years ago
15

Which two organelles can be found in a plant cell that are not found in animal cells ​

Biology
2 answers:
Liula [17]3 years ago
6 0

Answer: Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, which are not found within animal cells.

Llana [10]3 years ago
5 0

Answer:

chloroplasts, and a large central vacuole

Explanation:

Chloroplasts are used for photosynthesis, vacuoles hold lots of water, plants retain a lot

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Classify each picture as Carbohydrates or Lipids
stepan [7]

Answer:

1. Lipids

2. Carbohydrate

3. Lipids

4. Carbohydrate

5. Lipids

6. Lipids

7. Carbohydrate

Explanation:

Lipids and carbohydrates are two of the four major biological molecules (the other two being proteins and nucleic acids). They (lipids and carbohydrates) are both long chains composed of elements: carbon (C), hydrogen (H) and oxygen (O).

Lipids called triglycerides are majorly made up of building block fatty acids (long hydrocarbon chains with carboxylic acid) and glycerol ( an hydrocarbon made up of three hydroxyll groups).

Carbohydrates, on the other hand, are made up of long chains of carbon, hydrogen and oxygen with aldehyde or ketone functional group. They are composed of monosaccharide building blocks (also called simple sugars) with general formula CH20(n).

Based on the structural composition of lipids and carbohydrates, structures 1,3,5 and 6 are lipids while 2, 4 and 7 are carbohydrates.

3 0
3 years ago
What are some challenges animals might face when migrating?
Andreas93 [3]

Answer:

Some challenges animals might face when migrating are disease, global climate change, overexploitation, and habitat destruction.

Explanation:

In virtually every corner of the globe, migratory animals face a growing array of threats, including habitat destruction, overexploitation, disease, and global climate change. Saving the great migrations will be one of the most difficult conservation challenges of the 21st century.

3 0
3 years ago
Read 2 more answers
How are minerals classified, and what common characteristics do major minerals share nutritionally?
tamaranim1 [39]
How they’re classified:

There are two main classifications of minerals major minerals are minerals your body needs in relatively large quantities and trace minerals are minerals your body needs in relatively small quantities major minerals include sodium,potassium, chloride, calcium, phosphorus, magnesium, and sulfur

What they share nutritionally:

They’re solid, inorganic, naturally occurring, and have a definite chemical composition and crystalline structure
5 0
3 years ago
In a tabular form state the sources, functions and deficiency of fat soluble vitamins​
GaryK [48]

Answer and Explanation:

Soluble vitamins are vitamins A, D, E and K.

Vitamin A is easily found in animal foods such as eggs, milk, cheese, meat, among others. It has the function of improving vision, producing antioxidants and improving immunity. its deficiency causes nocturnal tracking and susceptibility to infections.

Vitamin D has the sun as its major source, but it can also be found in fish, seafood, liver, mushrooms and meat. It is important for the growth and strengthening of bones, growth regulation, metabolism, insulin production and strengthening of the cardiovascular, muscular and immune systems. Its deficiency can provoke muscular and bone pains, spasms, intense weakness and calcium deficiency.

Vitamin E has many sources, among which we can mention wheat, vegetable oils, nuts, sunflower seeds, bananas, soybeans, egg yolks, almonds, eggs, spinach, lettuce, among others. Its main function is to act as a powerful antioxidant, slowing premature aging and diseases such as cancer, Parkinson's and cataracts. Its deficiency can cause loss of motor coordination, weakening of the muscles and anemia.

Vitamin K can be found in lettuce, spinach, mustard, broccoli, cucumber, turnip, asparagus, okra, liver, among others. It is important in blood clotting and calcium fixation. Its deficiency can cause defective clotting and bleeding.

6 0
3 years ago
What did james hutton propose in 1795?
brilliants [131]
A two volume version of his "theory of rain"
3 0
2 years ago
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