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zloy xaker [14]
3 years ago
15

What types of rock make up the continental crust?

Biology
1 answer:
grigory [225]3 years ago
6 0
Sedimentary and metamorphic rocks?
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If a plant cell is given only sunlight and water, it cant make sugars through photosynthesis why
lakkis [162]
<span>C02 + H20 -> C6H12O6 + 02
theres no co2</span><span>Sugar is made through photosynthesis by a chemical reaction within the plant’s cell.  Photosynthesis takes place in the chloroplast of a cell.  Light is absorbed into the cell by chlorophyll which is located in the chloroplast (an organelle in a plant cell.).  The chemical reaction that produces sugar is powered by the sun’s energy.  Carbon Dioxide, CO2, is absorbed by the plant through the stomata (small openings on the underside of the plants leaves) and water, H20, which is absorbed through the root hairs are combined together in a chemical reaction, which produces glucose, or the sugar that plants use for energy.  The chemical formula for the process is 6CO2 + 6H2O (+ light energy) =C6H12O6 + 6O2.</span>
3 0
3 years ago
Match the trend in American eating habits with the related meal.
umka2103 [35]
Mini meals - snacks and appetizers
a meal category in sharp decline - homemade meals
meal most people report eating- breakfast
8 0
3 years ago
Very low concentrations of detergent make membranes leaky to small molecules and ions without damaging proteins. In isolated mit
BigorU [14]

No, because with a leaky membrane, the proton gradient cannot be maintained

<h3><u>Explanation</u>:</h3>

The cell membrane is composed of a protein lipid bilayer. The detergent is very efficient to clean out portions of lipid from the protein part, thus disrupting the cell membrane. In presence of low concentration of detergent, the small portions of lipid are taken out, leaving the cell membrane structure intact, but with smaller pores which can lead to leakage of several smaller substances from inside.

So these leaky membranes don't allow the gradient of proton to build up. Thus ATP cannot be produced. So the cell cannot respire with detergent present.

3 0
4 years ago
After first exposure to an antigen, about how long does it take for antibodies to reach a detectable level?
Salsk061 [2.6K]

After first exposure to an antigen, it can take about three weeks for antibodies to reach a detectable level. The body will react to disease by creating antibodies and testing their effectiveness against the unknown antigen.

Antibodies are the body's way of fighting off foreign threats. Also known as immunoglobulin, they detect and attack pathogenic bacteria and viruses. These antibodies detect a protein that is unique to the surface of the pathogen called the antigen.

At times, we can see an increase in antibodies for one disease, for example, <em>Lyme disease</em>, in the presence of <em><u>non-Lyme disease antigens.</u></em> This is often due to antigenic variation, which is a method used by pathogens to mask their respective antigens. There are also general use antibodies that will increase in reaction to any pathogen.

As with any illness, a patient who receives treatment sooner will fare better than those whose treatment is delayed. This is due to the fact that earlier treatment with antibiotics will allow the body to fight off the infection before the bacteria can reproduce further.

After the first immune response, antigen-specific antibodies will remain for some time to provide the body with "immunity" to the pathogen, while <u>general-purpose antibodies will return to a base value. </u>

To learn more visit:

brainly.com/question/7597406?referrer=searchResults

6 0
2 years ago
Read 2 more answers
Where does the chemical breakdown of protein begin? MULTIPLE CHOICE.
k0ka [10]

Answer:

Stomach

Explanation:

Stomach produces hydrochloric acid and proteases that hydrolysed the peptide bonds between 2 adjacent amino acids in the polypeptide chain of the protein.

5 0
3 years ago
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