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LekaFEV [45]
3 years ago
5

If the sequence is CTAG was changed to CGTAG, what type of mutation occurred

Biology
1 answer:
AlexFokin [52]3 years ago
4 0

Answer:

deletion mutation

Explanation:

during the replication this may occur

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A group of cells is assayed for DNA content immediately following mitosis and is found to have an average of 4 picograms of DNA
damaskus [11]

Answer:

b: 8;8

Explanation:

Mitotic or meiotic cell division constitute the m phase of the cell cycle. At the end of the m phase, the new cells enter the interphase stage of the cell cycle. The interphase is further sub-divided into;

  • <em>the G_0 phase,</em>
  • <em>the G_1 phase,</em>
  • <em>the S phase; and</em>
  • <em>the G_2 phase</em>.

The G_0 phase is essentially a resting phase. Cells that do not need to divide except when necessary move into this phase after exiting the m phase.

Actively dividing cells enter the G_1 phase after exiting the m phase. Cell development and growth takes place. From there, the cells enter the S phase where DNA replication/synthesis takes place. The cells then enter the G_2 phase where proteins are synthesized in preparation for division or m phase.

At the S phase, the amount of DNA a cell carries is doubled but the chromosome number remains the same. For example, if a cell enters the S phase with 2 g of DNA containing 10 chromosomes, at the end of S phase, the amount of DNA would have come 4 g while the number of chromosomes will remain 10.

Hence, if the average amount of DNA in the assayed cells immediately after mitosis is 4 picograms, the amount would be 8 picograms at the end of S phase and will still remains 8 picograms at the end of G_2 phase.

The correct option is b.

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Dmitry_Shevchenko [17]

Incomplete dominance

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Describe the structure and function of the main components of a leaf<br><br>​
Reil [10]

Answer: HOPE IT HELPS MARK AS BRAINLIEST . BYE

Explanation:

Leaf, in botany, any usually flattened green outgrowth from the stem of a vascular plant. As the primary sites of photosynthesis, leaves manufacture food for plants, which in turn ultimately nourish and sustain all land animals. Botanically, leaves are an integral part of the stem system, and they are initiated in the apical bud (growing tip of a stem) along with the tissues of the stem itself. Certain organs that are superficially very different from the usual green leaf are formed in the same manner and are actually modified leaves; among these are the sharp spines of cacti, the needles of pines and other conifers, and the scales of an asparagus stalk or a lily bulb.

4 0
3 years ago
If the temperature in an area drops five degrees between one day and the next, has the climate of the area changed? Explain.
guapka [62]

The answer is; NO

What is described in the question is weather, not climate. The two are different. Weather, which is the measure the local atmosphere in a short period of time, may fluctuate drastically within this short period. Temperatures, for example, can reach 30 degrees during the day and fall to 10 degrees in the night. However, climate is the study of weather over a long period of time such as over 30 years.


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3 years ago
Describe the water cycle
BaLLatris [955]

Answer: I hope this helps, if you have any additional questions please put them in the comments and I will do my best to answer them

Explanation:

The water cycle describes how water evaporates from the surface of the earth, rises into the atmosphere, cools and condenses into rain or snow in clouds, and falls again to the surface as precipitation.

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3 years ago
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