BIOLOGY HIGH SCHOOL

Example of endocytosis????

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Answer 1
Answer:

Answer:

the leucocytes, neutrophils, and monocytes can engulf foreign substances like bacteria

Explanation:

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Answer 2
Answer:

Answer:

Cholesterol is a much needed component in the cell that is present in the plasma membrane and is also used as a hormone precursor. A lipoprotein complex (such as LDL or low density lipoprotein) is then used to transport the cholesterol to other cells in the body. On the surface of the cell is a LDL receptor that binds the LDL complex to begin the endocytic process. These receptors were synthesized in the Endoplasmic Reticulum (ER) and were then transported and processed in the Golgi. Once the receptor is bound to the complex on the surface of the cell, clathrins are recruited along with other proteins that aid in the process. The receptors cluster together to form clathrin-coated pits. The coated pits are pinched off, forming endocytic vesicles, and are then uncoated. After uncoating, the vesicle is delivered to an endosome. The low pH in the endosome causes a conformational change that releases the LDL particles. These particles are then directed to the lysosome for degradation, releasing the cholesterol into the cell.

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What criteria would you use to assess the reproductive success of a plant?

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The best way to determine this would be to determine the percentage of offspring that survived. So for example, if 900 offspring survived out of 1000 seeds, which is a 90% chance, then this can be considered successful or non successful in comparison to other trials.

State 2 differences between sexual reproduction and asexual reproduction

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sexual reproduction- the process in which two sex cells join together to form a new organism.
asexual reproduction- the process in which a single organism produces a new,identical organism.
Sexual reproduction consists of the fusion of the male and the female gametes to produce an offspring. 

Asexual reproduction is by budding off from the parent plant to produce offspring. 

sexual reproduction: the offspring is not identical to parent. 

asexual reproduction: the offspring is identical to parent.

The best description of the greenhouse effect is that it _______.

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The greenhouse effect is the trapping of the sun's warmth in a planet's lower atmosphere due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface.
To put it in that sentence:
The best description of the greenhouse effect is that it is the trapping of the sun's warmth.

What are the reactants in fermentation?

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The reactant in fermentation is the simple sugar or monosaccharide glucose. The process of fermentation takes place with the absence of oxygen. It produces ethyl alcohol and energy for ethanol fermentation, while in lactic acid fermentation, lactic acid and energy are produced.

Which of these is true of meiosis? A. n--->n
B. 2n--->2n
C. n--->2n
D. 2n--->n

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2n --> n 

You start with a cell with a diploid set of chromosomes (2n). In S phase (a part of interphase), the chromosomes are doubled (4n). After meiosis, each cell has a haploid set of chromosomes. 

n-->n happens in fungi, when haploid mycelia cells replicate but stay haploid. I'm a bit rusty, though, so I'm not too sure. 
n --> 2n is fertilization 
2n --> 2n is mitosis, the cell replication process for somatic cells.

fungi may grow on and destroy healthy leaves of many tropical plants what does it symbolize? answers are / predation parasitism saprophytism mutalism

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I'd say parasitism! It makes sense because fungi is a parasite. I think.
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