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2 years ago

What are molecules and how are they used in running? Evidence

Biology

1 answer:

Karolina [17]2 years ago

4 0

Answer:

Osmosis helps cells maintain homeostasis because a cell needs to maintain a specific water balance so that chemical reactions can take place. Osmosis can also be used to balance out the concentration of other molecules (such as sugar or salt) present on either side of a cell membrane.

Explanation:

Homeostasis is the ability of a system to regulate its internal environment through maintaining a stable, relatively constant set of properties such as temperature and PH. Key Terms homeostasis : The ability of a system or living organism to adjust its internal environment to maintain a stable equilibrium, such as the ability of warm-blooded.

Hope this helps.

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Suppose a culture containing 2*108 bacteria was exposed to ionizing radiation sufficient to kill 99.99% of the cells. calculate

Kaylis [27]

<span>The culture contains 2*10^8 bacteria before it was exposed to ionizing radiation which kills 99.99% of the bacteria. The number of bacteria left after the radiation would be:

final number= initial number * (100%- radiation kill rate)
</span>final number= 2*10^8<span> *(100%-99.99%)
</span>final number= 2*10^8 *(0.01%)
final number= 2*10^8 * 10^-6
final number= 2*10^(8-6)
final number= 2*10^2

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2 years ago

2) The Florida Everglades is home to many threatened and endangered species, such as the cougar. What should scientists and Flor

jolli1 [7]

The only one that makes sense to me is C

6 0

2 years ago

Read 2 more answers

Multiple choice :)

vagabundo [1.1K]

I think this answer is probably the minerals

3 0

2 years ago

Question 1

masha68 [24]

Answer:

flaccid, hypertonic.

Explanation:

It became flaccid due to the low water potential in solution outside of potato cells, hence causing water to leave the potato cells & move into the solution.

Hypertonic solution simply means the concentration of solute is higher & water potential is lower than in potato cells.

8 0

2 years ago

Fill in the table below by writing the complementary strand of DNA that would be formed by each template strand

BlackZzzverrR [31]

Answer:

DNA strand = complementary strand

GCAAG = CGTTC

TTACG = AATGC

GATAC = CTATG

CGGAT = GCCTA

DNA strand = mRNA strand

CGATT = GCUAA

GCTTA = CGAAU

GCATC = CGUAG

TTCAT = AAGUA

Explanation: A complementary strand is not the same in base composition and sequence with the template strand. In DNA, anywhere adenine is found in the template strand, thymine is found in the complementary strand and anywhere cytosine is found in the template strand, guanine is found in the complementary strand. But in RNA, anywhere adenine occurs in the DNA template strand, uracil occurs in the mRNA strand, wherever thymine occurs in the DNA template strand, adenine occurs in the mRNA strand and wherever guanine occurs in the DNA template strand, cytosine occurs in the mRNA strand.

Summarily, in DNA adenine pairs with thymine while cytosine pairs with guanine while in mRNA, adenine pairs with uracil, while cytosine pairs with guanine.

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2 years ago