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DIA [1.3K]
3 years ago
14

Proteins are important biomolecules. Proteins are synthesized and often packaged for secretion into other cells within an organi

sm. A variety of organelles play a role in producing, packaging, and moving proteins. Can you match the organelle with its function?
Biology
1 answer:
mixas84 [53]3 years ago
5 0

Proteins are important biomolecules. Proteins are synthesized and often packaged for secretion into other cells within an organism. A variety of organelles play a role in producing, packaging, and moving proteins.

Organelles of Eukaryotic Cells

Organelle Function

Nucleus The “brains” of the cell, the nucleus directs cell activities and contains genetic material called chromosomes made of DNA.

Mitochondria Make energy out of food

Ribosomes Make protein

Golgi Apparatus Make, process and package proteins


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Which organisms synthesize carbohydrates, and in which cell organelle(s) does this synthesis occur?
ad-work [718]

Answer:

C

Explanation:

Green Plants are the main producers of starch as carbohydrate.In order to carry out this  special organelle Chloroplast are specially adapted  for this purpose,

Green plant are made up of Chlorophyll which are the green pigments that for trapping sunlight for the synthesis of starch to occur.

Photosynthesis is the process of synthesis of the starch.It involves the reaction of C02 with water  in the presence of sunlight  and enzymes to give oxygen as the byproduct, and Starch( carbohydrate) as the main product.

This process occur in two pathways the light dependent pathways and the light independent pathways,

Green plant and some organisms phytoplankons,algea are capable of producing starch  through photosynthesis because of the green pigment they possess.Therefore they are said to be Autothrophic.

8 0
3 years ago
Which gastrointestinal (gi) change may be found in the client with burn injuries?
Elena L [17]

In case of severe burn injuries, a person experiences a sudden increase in the number of dangerous bacteria in the gastrointestinal tract approximately 32%. The increase in the dangerous bacteria increase the chance of developing gastrointestinal conditions like irritable bowel disease, and other non-related conditions like rheumatoid arthritis and diabetes.  

But in case of less severe burn injuries, the dangerous bacteria accounted for just 0.5% of the bacteria. An imbalance in the bacteria cause long term health consequences, in fact some of the complications could possibly even result in death of a person with severe burn injuries.


8 0
3 years ago
Which statement about the light-independent reactions in photosynthesis is true?.
rjkz [21]

Answer:

The correct answer would be They comprise the Calvin cycle.

Calvin cycle refers to the set of chemical reactions taking place in the stroma of the chloroplast in which carbon is fixed into food (glucose). The whole process is divided into three stages namely: fixation, reduction, and regeneration (ribulose bisphosphate or RuBP).

It takes place in light-independent reaction of the the photosynthesis.

It does not require light energy to carry out the reactions however, it depends upon the products of light reaction (ATP and NADPH).

Fixation of one molecule of glucose requires 6 molecules of carbon dioxide, 9 ATP and 6 NADPH.

The fixation of carbon is catalyzed by an enzyme RuBisCO.

3 0
3 years ago
Read 2 more answers
Cholesterol's main role in the membrane seems to be:
olga nikolaevna [1]

Answer:

E) Improve membrane fluidity

Explanation:

Cholesterol constitutes the basic structural element of the skeleton of cell membranes. Without their reinforcement, the membranes would become extremely fluid and lose their consistency. Cholesterol is found in the esterified membranes in its hydroxyl group (OH): with fatty acids, mainly oleic and linoleic, or as cholesterol sulfate. The cholesterol-sulfate polar group is disposed on one of the faces of the membrane that interacts with other polar groups in that area, while its bulky hydrophobic portion is embedded between the apolar parts of the lipids that form the membrane skeleton and They fulfill many other functions, among which the reduction in the permeability of protons and sodium ions, and their participation in signal transmission. Cholesterol is also essential in phagocytosis processes carried out by cells to capture many nutrients and, in general, for the function of cleaning up organic waste produced by macrophages.

The membranes must have a fluid structure so that the integrated proteins can move "horizontally" to interact with their ligands and with other proteins. The fluidity is given by unsaturated fat. With the excess of saturated fat, the membranes become rigid, but only with the necessary unsaturated fat the membranes are extremely fluid and very sensitive to temperature changes. Cholesterol stabilizes the structure of the membranes; In order for them to have the correct structure, they must have the correct proportions of saturated, unsaturated fats and cholesterol. The membranes produced in the laboratory without cholesterol are unstable to temperature changes, drastically modifying their fluidity against the small temperature changes that occur in the physiological range.

In addition to its functions in cell membranes, cholesterol is an important product that metabolism uses as a raw material to make other compounds:

*Bile salts

*Sex hormones

*Hormones of the adrenal cortex (corticosteroids)

*Vitamin D (Calciferol)

3 0
3 years ago
How thick is the outermost layer of th earth
Likurg_2 [28]
Like 50 miles for the outermost layer which is called the LITHOSPHERE
3 0
3 years ago
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