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s344n2d4d5 [400]
3 years ago
6

Cual es la funcion de los cloroplasto?

Biology
1 answer:
sweet [91]3 years ago
7 0

solo aparecen en las células vegetales y contienen clorofila que permite que se lleve a cabo la fotosíntesis

only appears in plant cells and contains chlorophyll, which allows photosynthesis to take place

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Explain how water erosion by groundwater can form a cave.
prohojiy [21]
Rainwater picks up carbon dioxide from the air and as it percolates through the soil, which turns into a weak acid. This slowly dissolves out the limestone along the joints, bedding planes and fractures, some of which become enlarged enough to form caves.
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3 years ago
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Norepinephrine and dopamine are examples of transmitters whose synaptic activity is terminated by'
Musya8 [376]

The correct answer is reuptake.  

The reabsorption of a neurotransmitter by a neurotransmitter transporter situated along the plasma membrane of an axon terminal or glial cell after it has done its activity of conducting a neural impulse is called reuptake.  

The process of reuptake is essential for usual synaptic physiology as it permits for the recycling of neurotransmitters and monitors the neurotransmitter level in the synapse, thus, monitoring the duration of the signal resulting due to the discharge of the neurotransmitter.  


8 0
3 years ago
Which statement best distinguishes stem cells from other body cells?
Yakvenalex [24]

Answer:

Explanation:-All stem cells from a given organism contain the same genome. -All stem cells have the capacity to differentiate into specialized cell types. -Stem cells replenish our skin cells and red blood cells.  i hope this helps

6 0
3 years ago
As a biologist working with a cell culture, you notice that the ends of the chromosomes are decreasing in size after each cell d
S_A_V [24]

Answer:

In the given case, it can be concluded that very less amount of telomerase is being produced.

Explanation:

Terminal transferase or telomerase refers to a ribonucleoprotein that supplements a telomere repeat sequence to the 3 prime terminals of telomeres. A telomere is present at each terminal of the chromosomes found in the majority of eukaryotes. It helps in safeguarding the terminals of the chromosomes from destruction or from getting combined with the adjacent chromosomes.  

Telomerase has its own RNA molecule and works as a reverse transcriptase enzyme. Generally, telomerase is found active in gametes, in stem cells, and in the majority of cancer cells, however, it is generally present in low concentration or is absent in the majority of somatic cells. Thus, the decrease in the ends of the chromosomes suggests that the production of telomerase is taking place at low levels.  

7 0
2 years ago
____ preps the cell for mitosis<br> telophase<br> interphase<br> prophase<br> anaphase
lana66690 [7]
Interphase preps the cell for mitosis; telophase, prophase, and anaphase are all parts of mitosis
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3 years ago
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