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tresset_1 [31]
3 years ago
14

In angiosperms, pollen is transferred from the _______ to the _______.

Biology
1 answer:
serg [7]3 years ago
8 0
Pollen is transferred from the ANTHER to the STIGMA
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List the plates involved in a Tsunami.
miss Akunina [59]
The two tectonic plates involved are the Pacific plate, on which the Pacific Ocean resides, and a portion of the North American plate, on which parts of Japan sit.
4 0
4 years ago
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What are Intramembranous and endochondral ossification?
erma4kov [3.2K]

Answer:

The direct conversion of mesenchymal tissue into bone is called i<u><em>ntramembranous ossification</em></u> .The process by which a cartilage intermediate is formed and replaced by bone cells is called <em>endochondral osssification.</em>

Explanation:

Intramembranous ossification  is one of the two essential process during the fetal development  of the gnathosome skeltal system by which rudimentary bone tissue is created. It is the process of bone development from fibrous membranes. It is involved in the formation of the flat bones of the skull, mandible and the clavicle. This type of ossification also helps in healing of bone fractures.

Endochondral Osssification: Method of forming a bone through cartilage intermediate. It is also involved in the formation of long bones.

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3 years ago
James was diagnosed with atherosclerosis, which is:___________a) a condition in which oxygen levels in the blood are reduced. b)
Artemon [7]

Answer:

Explanation:

A build up of plaque in the lining of an artery.Plaque is made up of fat, cholesterol, calcium, and other substances found in the blood. Over time, plaque hardens and narrows your arteries

3 0
3 years ago
Which statement describes the role of phloem within a plant? A) It transports food to all the parts of the plant both upwards an
Gennadij [26K]

Answer:

It transports food to all the parts of the plant both upwards and downwards is the correct answer.

Explanation:

Phloem is tissue present in plants that transport the food prepare in the leaves to other parts of the plant.

Phloem has various types of specialized cells such as parenchyma cells, sieve elements, sclerenchyma, and companion cells.

Phloem transfers the food from source(leaves)to sink(to the other parts of the plant's cells), and in the spring process get reversed as the food stored in the sink move towards the developing buds through the phloem that's the reason phloem transports food to all the parts of the plant both upwards and downwards and movement of food is bidirectional.

6 0
4 years ago
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Hydrogen peroxide (H2O2) causes oxidative stress in cells. Peroxide signals through transcription factors Nrf2 and NF-kB. By the
Bess [88]

Answer:

The response would be approximately 38 ATP for each metabolic cycle.

Explanation:

It seems a bit sloppy to me the way the question is written, as for what I have mentioned, what I can answer is the following ...

Free oxygen radicals and high concentrations of peroxide, which is the union between water and free protons in the medium, generate an oxidation-reduction reaction in the tissues that destabilizes the positions of the electrons of the tissue ions (only those found in the latter orbit of the compounds), this results in a process called cellular oxidative stress that triggers aging.

As for the process of phosphorylation of glucose to use it as an energy reserve in the form of starch or glycogen, this phosphorylation is carried out by means of a chemical reaction that what it allows by means of enzymes is that at carbon number 6 of the glucose is added or a phosphorus is added, in this way the glucose is disabled for spontaneous consumption and is administered as an energy reserve of the organism.

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4 years ago
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