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Nikitich [7]
3 years ago
10

Which molecule is active first during DNA replication?

Biology
1 answer:
just olya [345]3 years ago
4 0

Answer:

C

Helicase enzyme

Explanation:

The main function of helicase is to basically unzip the DNA so that each strand can be copied

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Why is the Calvin cycle considered a dark reaction?
Liono4ka [1.6K]

The correct answer for this question is (D) It can proceed in the dark.

Calvin cycle is named after Melvin C. Calvin, who won a Nobel prize in chemistry for finding it in 1961. Calvin cycle take place in chloroplasts during photosynthesis and it is a <u>light-independent reaction so also called as dark reaction.</u>

The Calvin cycle proceeds in three stages:

1. Carboxylation, during which CO2 combines with ribulose-1,5- bisphosphate

2. Reduction, during which carbohydrate is formed at the expense of photochemically made ATP and NADPH

3. Regeneration during which the CO2 acceptor ribulose-1,5- bisphosphate is formed again so that the cycle continues.

3 0
3 years ago
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My favorite food during lunchtime is___________
melisa1 [442]

My favorite food during lunchtime is Pork Adobo

The ingredients are:

2 lbs pork belly

5 pcs. dried bay leaves

1 tablespoon peppercorn

salt to taste

1/2 cup of soy sauce

4 tablespoons of vinegar

2 tablespoons garlic minced or crushed

The procedures are:

  1. Combine the pork belly,soy sauce,and garlic then marinade for at least 1 hour.
  2. Heat the pot and put-in the marinated pork belly then cook for a few minutes.
  3. Pour remaining marinade including garlic.
  4. Add water,peppercorn,and dried bay leaves, then bring to a boil Simmer for 40 minutes to 1 hour.
  5. Put-in the vinegar and simmer for 12 to 15 minutes.
  6. Add salt to taste.
  7. Serve hot! Share and enjoy!

<h3>Hope It Helps</h3>

6 0
2 years ago
*(agriculture subject)*<br><br>explain why paddy should be well leveled​
My name is Ann [436]

Answer:A well-leveled field is seen as laying the foundation for a good water management. If a field is not properly leveled, water may stagnate in the lower parts whereas higher parts may get dry due to water receding.

Explanation:

5 0
3 years ago
List three things that form or begin during the second trimester of pregnancy. (1 point)
Rom4ik [11]
A pregnancy lasts for 40 weeks, The weeks are grouped into three trimesters, The second Trimester includes weeks 13 through 27 of a pregnancy.
In the second Trimester the baby grows larger and stronger and many women begin showing a larger belly. Most women find the second trimester is a lot easier than the first.
When the second trimester starts the baby is about 3 inches long. At the beginning of the second trimester the baby's head is the biggest part of his or her body. During the next weeks the rest of the baby's body will get longer in order to catch up . By the end of the second trimester the baby may be 9 inches longer or longer. The baby will start to hear certain sounds, like the mother's heartbeat. The baby's hearing will continue to improve. The baby will have fingerprints and footprints by the end of the second trimester, Fine hair, and a white waxy substance cover and protect the baby's skin. The skin is thin, loose, and wrinkled. By the third trimester fat will start to fill in under the skin. The baby's digestive system will start to function, the baby will also begin to produce and release urine, which becomes amniotic fluid. By the middle of the second trimester the baby's sex should be clear.

Hope This Helped!
3 0
3 years ago
Determining rate in white light. Calculate rate of volume change for Elodea in white light. Record in lab data
Masja [62]

The rate of volume change can be used to find out how different lights (different wavelengths) affect photosynthesis and plant growth. To calculate it, we just need to record data of volume change and time.

------------------------------------------------------

To determine the rate of volume change, you need to use the following formula.

Rate of volume change (mL/hr) = <u>Final volume</u><u>  - </u><u>Initial volume </u><u> </u> x 60

                                                                          Time

\\ Rate of volume change (mL/hr) = ((Final volume  - Initial volume)/  Time  (min))  x 60 (min/hr)                                                                          \\

To calculate the rate of volume, we will use the following data.

If these values are different from yours, you just need to replace them acoording to the data in your table.

  <u>          Time (min)                                        White light volume                              </u>      

                  0                                                             3

                  5                                                            4.3

                  10                                                          5.6

                  15                                                           6.9

<u>                   20                                                          8.2                                                      </u>                                      

So, according to these values

  • Final volume, Vf = 8.2 mL
  • Initial volume, Vi = 3 mL
  • Time, T = 20 min

Rate of volume (mL/hr) = ((Vf - Vi)/ T) 60

\\ Rate of volume (mL/hr) = ((Vf - Vi)/ T) 60\\

\\ Rate of volume (mL/hr) = ((8.2 - 3)/ 20) 60

\\ Rate of volume (mL/hr) = 15.6 mL/hr

The rate of volume change for Elodea in white light is 15.6 mL/hr.

------------------------------------------------------------

Related link: brainly.com/question/24139287?referrer=searchResults

8 0
2 years ago
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