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Lena [83]
3 years ago
14

Write a short note on the process of photosynthesis ​

Biology
2 answers:
taurus [48]3 years ago
5 0

Answer:

Explanation:

Plants take in sunlight and water; and then turn them into sugars, which are food for the plant.

frutty [35]3 years ago
3 0

Answer: The process by which plants and some microorganisms make substances like carbohydrates. It is an endothermic (takes in heat) chemical process that uses sunlight to turn carbon dioxide into sugars.

Explanation:

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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
3 years ago
A population of fruit faces food shortage when the fruit trees they depend on for food begin to die from disease. What type of g
ololo11 [35]

Answer:

The correct answer is - logistic growth.

Explanation:

The growth of bats is only limited by the fruit trees they feed on. It is an example of the concept of carrying capacity of an environment, so this is best modelled by logistic growth.

The Types 1-3 of survival growth are related to age, while exponential growth does not have any limits related to environmental capacity.

The correct answer is - logistic growth.

5 0
3 years ago
A skin cell in g2 of interphase has _____ as much dna as it had in g1.
posledela

A skin cell in G2 of interphase has twice as much DNA as it had in G1.

A skin cell is somatic cell that undergoes mitosis (cell division). Mitosis together with interphase is part of the cell cycle.

Interphase also known as a phase for the preparation for division consists of three phases:

• G1- cell becomes larger, copies organelles, and makes the building blocks necessary for the new cell

• S-cell copies its DNA in the nucleus (that is why G2 phase has twice as much DNA as it had in G1)

• G2 – cell continues to grow, makes proteins and organelles.  

During the mitosis, the cell separates its DNA into two and divides its cytoplasm, forming two new daughter cells.

4 0
3 years ago
Which of these statements explains the origins of life on earth
Arada [10]
You didn’t link the statements but i think the earth life originates from the big bang which formed small living organisims.
7 0
3 years ago
Of scientific research. there is an abundance of information on the internet about new scientific discoveries involving cells, s
svlad2 [7]
Hope it help you doink

8 0
3 years ago
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