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RoseWind [281]
3 years ago
7

50 POINTS AND BRAINLIEST... SOMEONE PLEASE HELP ME.... Explain the processes that take place in the stroma including the reactan

ts going in and the products produced from these processes in (a) bright sunlight in (b) darkness. (c) what happens over an extended period of darkness of many days?
Biology
1 answer:
koban [17]3 years ago
4 0
During the first part, during sunlight that is, pyruvatric acid is augmented during proton formation. This is where oxygen is formed at a rate of 150 ppm. During darkness, the carbon is oxidized and allowed to build up, which will ultimately produce more water (which is important for plants and other photosynthesizing organisms) and power the processes that make fructose and sucrose (ie: sugars). Over extended periods of darkness, this build up of sugar is able to keep the plant from deteriorating and can help it go dormant (kind of like hibernating) until conditions improve.  
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Which of the following is an accurate description of an adult stem cell?
frosja888 [35]
I believe the answer is C). My reason for this is because multipotency stands for multidifferentiative potential. And this is the ability to generate progeny of quite a few distinct cell types. And adult stem cells have that ability. Hope this helps.
4 0
3 years ago
Which feature of earth is created at mid ocean ridges
777dan777 [17]

The correct answer is - underwater mountain ranges.

The mid-ocean ridges are actually underwater mountain ranges, which usually are very long, in fact the longest mountain range on Earth is created on the divergent boundary between the Eurasian and North American tectonic plates and between the African and South American tectonic plates. At the divergent tectonic boundaries we have the creation of new crust which rises from the mantle and fills in the gap between the tectonic plates. Because of the big amount of magma and high pressure, very big and long underwater mountain ranges are formed.

4 0
3 years ago
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What would be the expected result if a competitive, nonhydrolyzable analog of ATP were applied to the cytoplasmic side of a plas
marusya05 [52]

Answer:

The cell interior would experience higher than normal Na+ concentrations and lower than normal K+ concentrations.

Explanation:

Na+/K+ ATPase exists in two forms: Its phosphorylated form has a high affinity for K+ and low affinity for Na+. ATP hydrolysis and phosphorylation of the Na+/K+ pump favor the release of Na+ outside the cell and binding of K+ ions from the outside of the cell. Dephosphorylation of the pump increases its affinity for Na+ and reduces that for K+ ions resulting in the release of K+ ions inside the cells and binding to the Na+ from the cells.  

The presence of ATP analog would not allow the pump to obtain its phosphorylated form. Therefore, Na+ ions would not be released outside the cells. This would increase the Na+ concentration inside the cell above the normal. Similarly, the pump would not be able to pick the K+ from the outside of the cell resulting in reduced cellular K+ concentration below the normal range.  

7 0
2 years ago
Consider the equation S + O2 ? SO2. What is the product? Question 3 options: S SO 2 S + SO 2 O 2
Keith_Richards [23]

Answer : The product in the given balanced reaction is, sulfur dioxide (SO_2).

Explanation :

The balanced chemical reaction will be,

S+O_2\rightarrow SO_2

This reaction occurs when sulfur react with oxygen gas to give sulfur dioxide gas as a product.

In the given balanced chemical reaction, sulfur (S) and oxygen gas (O_2) are the reactants and sulfur dioxide (SO_2) is the product.

Hence, the product in the given balanced reaction is, sulfur dioxide (SO_2).

8 0
2 years ago
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Aleks04 [339]

This question makes no sense

3 0
3 years ago
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