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Brrunno [24]
3 years ago
5

Please help! (i'm sorry, i'm really bad at science and i don't get it) also i will give the brainiest to whoever is correct (and

please please please don't put whatever, please don't waste my time, i will report you! sorry if i'm being a bit rude its because someone answered random letters in my last question and i reported them) Okay anyways, thank you to whoever helps me! I will give brainiest, a thanks in their profile, a thanks in their answer, 20 beautiful points, and i will NOT report you UwU (this is to whoever helps me) :3

Biology
1 answer:
spayn [35]3 years ago
3 0
Hi I love this app but I don’t have to do a video on it but I have a shout out to my phone back and it hasn’t arrived
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Read the procedure. What is the purpose of the bicarbonate that is dissolved in the water?
xxTIMURxx [149]

Answer:

Through this experiment we study the process of photosynthesis.

• In the begining the leaf disks's tissue has oxygen, this allows them to float.

• Then, in the experiment we infiltrate the leaf disks with a solution that has bicarbonate, and as a result their density changes (it increases) and so the leaf disks sink.

• Once the disks are on the bottom and we direct the light to them the process of photosynthesis starts, being the bicarbonate the source of carbon for the process.

• As we know a product of the photosynthesis proces is oxygen, so when it is released into the leaf disks the overall density changes again and the disks rise.

So as we can see, in this experiment the purpose of the bicarbonate is being the source of carbon for the process of photosynthesis that occurs in the leaf disks.

5 0
1 year ago
Which of the following reactions is incorrectly paired with its location?
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E)Krebs cycle/ cristae of mitochondria

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8 0
3 years ago
Consider the following food chain: garden plants are eaten by snails, which are eaten by birds, which are eaten by the household
SIZIF [17.4K]
The garden plants and snails stay balanced as they are still being eaten. However, if the cat is removed, the birds will overpopulate and then the snail would be eaten and decrease faster which gives garden plants an increase in population due to the decrease in snails. Hope this helps! 
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This bonds to cytosine (C) in DNA.
shtirl [24]

Answer: <u>Guanine </u>

According to Chargaff's rule, the base pairing in the DNA and RNA is fixed. Adenine always pairs with Thymine in DNA and Uracil in RNA. Guanine pairs up with cytosine. This complementary base pairing is universal and constant. That's why amounts are also equal. It means if cytosine is 20% in any DNA sample, then amount of guanine would be 20% as well.

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Whet era does the rock of the Canadian Shield date back to
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it dates back to the Precambrian era
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