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Mashcka [7]
3 years ago
9

PLEASE HELP ASAP!!!!! ILL GIVE BRAINLIEST FOR RIGHT ANSWER

Biology
2 answers:
alexandr1967 [171]2 years ago
7 0
Answer:
reactant and product
timama [110]2 years ago
5 0
The first one is reactant and the second is product because the product is what is formed from the reaction :) have a good day
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(04.04 LC)
podryga [215]

Answer:

A) The production of energy without the presence of oxygen  - Anaerobic respiration

B) The chemical breakdown of a substance  - Fermentation

C) The breakdown of food to create energy in the presence of oxygen  - Aerobic respiration

D) An organic molecule that occurs as an intermediate in many metabolic processes - Pyruvate

Explanation:

A) Anaerobic respiration is a type of cellular energy production that occurs in the absence of oxygen. it is much less efficient than aerobic respiration (see question C). In cellular respiration, cells produce ATP, which is the "currency" of energy in the cell, by breaking down glucose. ATP is required to carry out the normal functions of a cell.

As it is much less efficient than aerobic respiration, it produces much less ATP. However, when there is no oxygen, it is the only choice. An example is when muscle cells are working very hard and use up all the oxygen in the tissue. To keep producing some energy, they undergo anaerobic respiration, which only produces 2 molecules of ATP for every molecule of glucose.

B) In respiration, Fermentation is a pathway of breaking down glucose into chemical energy that occurs in the absence of oxygen. Anaerobic respiration can lead to two types of fermentation, lactic acid fermentation (described above) and ethanol fermentation which is another type of anaerobic respiration in which fungi (such as yeast) break down glucose into ethanol, producing 2 molecules of ATP carbon dioxide as a by-product. This is how we make bread and beer!

C) Aerobic respiration is cellular respiration in the presence of oxygen. It creates a net gain of 36 molecules of ATP, compared to the 2 ATPs created without oxygen. This is because in aerobic respiration, the oxygen acts as a final electron acceptor for the electron transport chain. In its absence the electron transport chain cannot proceed. The electron transport chain is how cells generate most of their chemical energy.

D) Pyruvate is an important molecule in the process of respiration. Both aerobic and anaerobic respiration begin with the same process, glycolysis. Glycolysis is the process by which 1 molecule of glucose is broken down into two molecules of pyruvate - a metabolic intermediate. This releases 2 molecules of ATP. In the presence of oxygen, pyruvate is oxidised and enters the Krebs cycle, which makes a series of compounds that donate electrons to the electron transport chain, which produces extra ATPs through oxidative phosphorylation.

In the absence of oxygen, pyruvate is converted either to lactic acid or ethanol by fermentation

5 0
3 years ago
Assume that the kidney stone in question has reached the bladder. What is the pathway of exit for this stone (i.e. what anatomic
sasho [114]

Answer:

Here's what I get  

Explanation:

From your bladder, the pathway of exit to the outside is through the urethra.

The diameter of the female urethra is about 6 mm. The male urethra is usually a bit larger.

Kidney stones can vary in size from 0.1 mm to over 40 mm in size.

Stones less than about 6 mm in size can usually pass through the urethra on their own with little or no pain.

Larger stones can be excruciatingly painful. The urethra cannot expand enough for them to pass through. Such stones usually need medical treatment to be removed.  

3 0
3 years ago
A single galaxy is BEST described as containing.......
kolezko [41]
Most galaxies have billions of stars.
8 0
3 years ago
Read 2 more answers
A florist assembles a bouquet of flowers from the following: 1. lilies, which have long leaves with parallel veins 2. Queen Anne
fomenos

Answer:

C) three eudicots and one monocot.

Explanation:

Flowering plants are generally divided into two based on the number of seed leaves. These are:

  • Monocots: <em>these are flowering plants with only one seed leaf. Their leaves are usually long and narrow with parallel veination. Seed germination mode is hypogeal. Their stems are usually flesh and without branches and their roots are usually fibrous. Monocots' flowers are usually trimerous, that is, the flower parts are usually in threes.</em>
  • Eudicots: <em>as opposed to monocots, they are flowering plants with two seed leaves. The mode of seed germination is epigeal, leaves are usually broad with net veination pattern and they posses tap root system. Flower parts are usually in fours of fives and their stems are usually wide with branches.</em>

Let us look at which of the 2 groups the bunch of flowers collected by the florist belong:

Lilies have parallel vein - monocot

Wild carrot has large taproot - eudicot

Buttercups has five petals - eudicot

Daisies with two cotyledons - eudicot.

<em>Hence, the bunch of flowers contain three eudicots and one monocot.</em>

The correct option is C.

6 0
3 years ago
Why has Earth’s climate changed so rapidly in recent years? A The sun has gotten much hotter. B People are eating too many plant
professor190 [17]

Answer:

The answer is C

Explanation:

6 0
3 years ago
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