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AURORKA [14]
3 years ago
13

Neurogenesis in the adult hippocampus is stimulated by

Biology
1 answer:
ddd [48]3 years ago
8 0
Hippocampal neurogenesis<span> is impacted by environmental factors such as age, excercise, stress and anti-depressant use.</span>
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Do you consider scientific truth as objective and universal? Explain your answer.
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Explanation:

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karena motornya direm. Coba kalau nggak direm bisa bahaya tuh.

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Bebek. Kalau ikan bukan renang tapi menyelam

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3 years ago
1. Explain what a "derived character" is in your own words.
Shkiper50 [21]

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It is a trait or characteristics of yours most recent ancestor or a lineage of organisms that has evolved after separating from another lineages.

6 0
2 years ago
Submit your data and observations and answer the questions. Then write a paragraph where you assume that all the peas in the pod
Zielflug [23.3K]

Answer:

He experimented with peas (29,000 plants!) for seven years and used ... He found that everyone got two genes for each trait — one from the mom and one from the dad. ... Dominant traits show up even if you also have a different gene for the same trait; the gene ... Mendel took a tall pea plant and crossed it with a short one.

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3 years ago
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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3 years ago
Research has found that the body's immune system can attack your own body parts, leading to all but which of the following condi
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