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abruzzese [7]
3 years ago
14

What form do we use to write hypotheses?

Biology
1 answer:
ra1l [238]3 years ago
6 0
The answer would be D because it leaves you thinking about what will happen next. Hope this helped you out .
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Students were asked to draw a concept map of changes in matter at the molecular
liubo4ka [24]

Answer:

Students were asked to draw a concept map of changes in matter at the molecular level. An incomplete sample is provided here. Which of the following labels ...

Explanation:

7 0
2 years ago
Explain how each of the following factors affect the rate of photosynthesis 1) temperature 2) inorganic ions
Illusion [34]
The main variables which affect photosynthesis are light, water, CO2 concentration and temperature.
On a deeper level, other factors like amount of chlorophyll, availability of nutrients (eg Mg is needed for chlorophyll synthesis) will also affect the rate of photosynthesis, though these are rarely covered in discussion of this topic.
The thing is that photosynthesis will be held back by whichever factor is in shortest supply.
As I sit in my study in England, the sun is shining brightly, but the temperature outside is only 5ºC. I suspect the rate of photosynthesis is limited by temperature today.
Yesterday was a dull day, but in the middle of the day it was not cold and I suspect there wasn't enough light for photosynthesis. If I had turned the security lights on my house on, the plants in my garden might (possibly) have photosynthesised faster.
In summer, some farmers growing crops in glasshouses actually increase the amount of carbon dioxide in the air as all their plants have plenty of water and light and the temperature is near the best possible for photosynthesis.
A good way to investigate this might be with the help of algae and you can use the 'Immobilised Algae' practical for this.
Although water is needed as a raw material for photosynthesis, don't bother trying to investigate water as a variable - plants normally wilt and wither long before water restricts photosynthesis at the biochemical level. They need water to support the plant to face the sun as well as a raw material of photosynthesis.
The simplest equation for photosynthesis:-
Carbon dioxide + water -----(in light, with chlorophyll and enzymes)----> sugar + oxygen
Temperature speeds up all chemical reactions - photosynthesis is no exception.
Enzymes work better in warm conditions (up to about 50ºC when enzymes start to be destroyed by heat).
The idea to get across is that different conditions will be most important on different occasions. This morning, my garden could do with more warmth - yesterday, it could do with more light / sun!
4 0
3 years ago
The abo blood groups in humans are expressed as the ia, ib, and i alleles. the ia allele encodes the a blood group antigen, ib e
Snezhnost [94]
Codominance. Both alleles are expressed and neither one inhibits the other.
6 0
3 years ago
Some diseases are caused by bacteria, protists, invertebrates or viruses. How do diseases caused by bacteria and diseases caused
MrRa [10]
It’s C. Antibiotics is basically a dormant Bacterial cell. So the body has memory cells only for bacteria’s and not viruses
8 0
3 years ago
Which flow chart best shows the relationship between the cell structures that are listed? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vaieri [72.5K]
Here is the correct flow chart: GENE > DNA > CHROMOSOMES > NUCLEUS.
The cell nucleus contain chromosomes which are made from long DNA molecules. A gene is a short section of a DNA which codes for a specific protein.
5 0
3 years ago
Read 2 more answers
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