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AlladinOne [14]
3 years ago
14

The first stage of cellular respiration glycolysis is an anaerobic process. During glycolysis glucose is converted to two molecu

les of pyruvic acid. How is glycolysis kept functioning in cellular respiration?
Biology
1 answer:
Oduvanchick [21]3 years ago
8 0

Answer:

Oxidation of NADH by electron transport chain ensures a continuous supply of NAD+ for glycolysis.  

Explanation:

To continue the process of glycolysis, cells must have a continuous supply of NAD+ which is required during one of the reactions of the payoff phase of glycolysis. Two molecules of NADH are formed per glucose molecule during glycolysis. The NADH gives its electrons to the terminal electron acceptors (O2) via electron transport chain. This ensures that the process of glycolysis is continued in cells to breakdown the glucose into pyruvate.

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Which of the following statements is true of all organisms in every environment?
Pani-rosa [81]

Answer: C

Explanation: All organisms someway somehow must compete for essential resources.

7 0
3 years ago
What is the difference between climate change and climate variability ​
vaieri [72.5K]

Answer:

Climate change is the change of temperature in the worlds climate system and climate variability is the variations in a certain climate that last longer then  certain weather events.

Explanation:

To explain more climate change is the change in the daily weather in a area for example rain forest to desert or cold to hot climate change goes along with global warming which is the heating of our Earth which causes ice to melt in the arctic rising our sea levels creating stronger storms. While in a climate variability its only a certain time of that specific climate change for example its only cold for a certain period of time then the temperature rises to hot again. So, the key difference is that "climate change is the change of temperature in the worlds climate system and climate variability is the variations in a certain climate that last longer then  certain weather events."

Hope this helps!

8 0
3 years ago
One way to kill a tree is to girdle it by cutting a groove a centimeter into the bark all around the trunk of the tree. The tree
Mrac [35]

Answer:

The correct answer will be - the sugar is not transported to roots

Explanation:

The girdling is performed on tress by making a groove of 1 cm in the bark of a tree.

The girdling activity removes the phloem tissue of the trees which help in the conduction of the sugar and other useful nutrients in the trees.

Since the phloem is present on the outside portion of the vascular cambium due to the secondary growth, therefore, removing the bark and making a groove in the tree removes the portion of the phloem. The removal of the phloem stops the blockage of the sugar to the roots as a result of which the root dies and water is not absorbed. This leads to the death of the tree after some time.

Thus, the sugar is not transported to roots is the correct answer.

3 0
3 years ago
2. Introduce one of the four new rat species to another island and describe one challenge it would encounter and one success as
snow_tiger [21]

Answer:

Challenge : Competition form other species.

Success :  Adaptation and colonisation.

Explanation:

  • Challenges like adapting to the new environment and different climatic zones and handle other potential threats like predators as snakes, birds, and others. Their potential to find food and sustain themselves will be a challenge.
  • Success factors include their ability to adapt and develop a sense of the different environment and through genetic mutation and natural selection they can develop and grow in numbers.
8 0
3 years ago
Corn is a popular feed for pigs because it is high in carbohydrates. However, it has a very low level of the amino acid lysine,
Keith_Richards [23]

Answer:

Lysine is important because it is very essential for the body functions of a pig.

Explanation:

Pigs require high levels of lysine, an amino acid. Without enough of this, muscle proteins cannot be formed because amino acids cannot combine correctly. Lysine is essential for body function. Corn diets can only provide pigs with limited lysine and this is not up to what is needed in a pigs nutrition. If the pig is consuming enough lysine then it can use other essential amino acids.

4 0
3 years ago
Read 2 more answers
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