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Fudgin [204]
3 years ago
7

The purpose of photosynthesis is to produce usable chemical energy or glucose from solar energy. If the formula for glucose is C

6H12O6, how many atoms of carbon are used to produce the glucose? A) 1 B) 2 C) 6 D) 9
Biology
2 answers:
Nat2105 [25]3 years ago
8 0

Answer: Option C

Explanation: The balanced chemical equation that explains photosynthesis is stated below:

6CO2(g) + 6H20(g) --------> C6H12O6 + 6O2(g) + energy (in from of ATP)

From the equation, 6 atoms of carbon C are contained in 6 moles of atmospheric Carbondioxide CO2, that reacted with 6 moles of water molecules H2O, contained in plant cells to yield 1 mole of glucose C6H12O6 and chemical energy in the form of ATP (adenosine triphosphate)

Contact [7]3 years ago
8 0

Answer:

C) 6

Explanation:

The chemical formula for glucose is C6H12O6. According to this formula, we can find out how many atoms of each element it takes to produce a glucose molecule. In this formula, the letters represent the chemical element that makes up glycolysis, while the numbers placed on the right side of each letter signify the number of atoms of that element that is needed to produce glucose.

In the chemical formula of glucose, the letter "C" represents the chemical element "carbon". In addition, the number "6" next to the letter "C" represents the number of carbons needed to create a glucose molecule. For this reason, we can say that 6 carbon atoms are needed to generate 1 molecule of glucose.

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Describe the vascular system of plants. Include brief descriptions of the characteristics and function of xylem and phloem.
solong [7]

Answer:

The vascular tissue of the plants distributes water and nutrients, which guarantees a constant growth. Each newly formed cell needs to become the corresponding cell type in vascular tissue.

Explanation:

Like animals, plants need water and nutrients. While animals use a circulatory and digestive system to obtain and distribute nutrients, plants use a vascular system. This system absorbs water, vitamins and minerals from the soil and then transmits energy in the form of carbohydrates to the roots. The main components of the vascular system are the xylem and the phloem.

<u>Xylem</u> is a complex tissue formed by several cell types. Its function is the conduction of water and minerals from the root to the leaves. Among the cells that form this complex tissue differ:

- Conductive cells or tracheal elements: they are dead elements at maturity, they serve for vertical conduction and support

- Vessel members are observed in Angiosperms, the largest plant group with the most recent evolution; They are short, wide cells with thick secondary walls, they differ from tracheids because they are perforated elements.

- Storage elements: parenchymal cells, thick walls, secondary, can present crystals and other cellular contents.

- Support elements: fibers in the Angiosperms and fibrotracheids in Gymnosperms, elements of intermediate characters between the fibers and the tracheids.

<u> Phloem</u> cells conduct food (photosynthesis produced by photosynthesis) from the leaves to the rest of the plant. They are living cells at maturity and in histological preparations colored with Astrablue take the color blue. Phloem cells are located outside the xylem.

The sieve elements of this tissue are: the sieve cells in the Gymnosperms and the members of sieve tubes with their respective accompanying cells in the Angiosperms. The accompanying cells retain their nuclei and control the neighboring sieve tubes. Dissolved food, such as sucrose, circulates through the screened areas that connect these cells to each other.

Being a complex tissue, it also has parenchymal cells for storage and fibers and sclereids as a support.

4 0
4 years ago
Make a table summarising the main components of tobacco smoke and their effects on the human body.​
Delicious77 [7]

Answer: Some of the components in tobacco smoke include:

Nicotine (the addictive drug that produces the effects in the brain that people are looking for)

Hydrogen cyanide.

Formaldehyde.

Lead.

Arsenic.

Ammonia.

Radioactive elements, such as polonium-210

Benzene.

Explanation: Highly damaging components of tobacco smoke include:

tar – is the word for the solid particles suspended in tobacco smoke. The particles contain chemicals, including cancer-causing substances (carcinogens). Tar is sticky and brown, and stains teeth, fingernails and lung tissue

carbon monoxide – is a poisonous gas. It is odourless and colourless and, in large doses, quickly causes death because it takes the place of oxygen in the blood. In people who smoke, the carbon monoxide in their blood makes it harder for oxygen to get to their organs and muscles

oxidizing chemicals – are highly reactive chemicals that can damage the heart muscles and blood vessels of people who smoke. They react with cholesterol, leading to the build-up of fatty material on artery walls. Their actions lead to heart disease, stroke and blood vessel disease

metals – tobacco smoke contains several metals that cause cancer, including arsenic, beryllium, cadmium, chromium, cobalt, lead and nickel

radioactive compounds – tobacco smoke contains radioactive compounds that are known to be carcinogenic.

The effects of tobacco smoke on the body include:

raised blood pressure and heart rate

constriction (tightening) of blood vessels in the skin, resulting in a drop in skin temperature

less oxygen carried by the blood during exercise

‘stickier’ blood, which is more prone to clotting

damage to the lining of the arteries, which is thought to be a contributing factor to atherosclerosis (the build-up of fatty deposits on the artery walls)

reduced blood flow to extremities (fingers and toes)

increased risk of stroke and heart attack due to blockages of the blood supply.

3 0
2 years ago
Read 2 more answers
MULTIPLE CHOICE WILL MARK BRAINLIEST
goldenfox [79]
The answer is A:4,5,3,1,2. 
7 0
3 years ago
construct a chromosome map for genes a b c and d using the over data:A to D=25 percent; A to B=30 percent; C to D=15 percent; B
crimeas [40]

Answer:

B-D-C-A.

Explanation:

The chromosome map helps to understand the location of genes in the genome map. The distance between the genes can be used to locate the genes of chromosome.

The distance between the Band D is 5%. The B and D gene can be located with each other. Then gene C is located after D and the distance between them is 15%. This will give the distance between B and C is 20%.  The gene A is located at the last position A and the distance between them 30%.

Thus, the correct answer is B-D-C-A.

6 0
3 years ago
A disease that can infect humans, but in which rodents are the primary reservoir, is called an: (a) epidemic, (b) enzootic, (c)
Paul [167]

Answer:

The correct answer is e. zoonosis

Explanation:

The disease which is transmitted from animals to humans are called zoonotic disease. So in zoonosis, the primary reservoirs are animals for example in rat-bite fever is the zoonotic disease which is spread by rats.

Bacteria, fungi, virus, protozoa can be the causative agent of the zoonotic disease. When the disease gets into humans then this disease can be spread from humans to humans if the disease is contagious. So here as rat is the primary reservoir therefore the correct answer is a zoonosis.

4 0
3 years ago
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