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3 years ago

When a phosphate group is removed from an ATP molecule, energy is......................

Biology

1 answer:

Gnoma [55]3 years ago

5 0

Answer:

Released.

Explanation:

The bonds between the phosphates in ATP are very high energy, meaning that the bonds really really want to break because phosphates don't like being so close to each other. When the bonds do break, a ton of energy is released (think of it like a celebration that they aren't so close anymore).

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How much power is needed to do 648 joules of work in 100 seconds??

garik1379 [7]

The correct answer is 6.46 W. This is how much power needed to do 648 joules of work in 100 seconds. This could be calculated using the formula P= E/t where P is power, E is joules, and t is time. So in this case, P = 648/100. So the answer is 6.46 W.

7 0

4 years ago

Think of a deer in the woods that has just relieved itself by urinating. Number the steps to follow the nitrogen molecules in th

IRINA_888 [86]

The molecules of nitrogen in the urine are broken down into ammonium. - Step 5 ("Nitrogen is found in the urine, which gets broken down into ammonium through the process of ammonification.")
Then, ammonium is converted into nitrates by nitrifying bacteria. - Step 1 ("Ammonium can be absorbed by plants, but some is converted into nitrates which are better for plants to absorb. This is called nitrification.")
There are then two ways that the cycle can take... in the one related to the deer, follows the assimilation where the plants add the nitrogen to protein. - Step 6 ("Plants absorb the ammonium and begin assimilation, the process to add the nitrogen to protein.")
The deer then eats the plants and the nitrogen is again inside it and ready to be used and again released in urine. - Step 2 ("The deer eats the plants and uses the nitrogen-containing proteins for cell growth.")

The other way that the nitrogen may take is denitrification by denitrifying bacteria. - Step 4 ("Some of the nitrates are absorbed back into plants, but denitrification breaks down the nitrates into nitrogen gas released back into the atmosphere.")
This gas is then captured by nitrogen fixing bacteria, called nitrogen fixation. - Step 3 ("Bacteria in the soil conduct nitrogen fixation to convert nitrogen gas from the atmosphere into ammonium.")
The ammonium is now ready again for the process of ammonification.

6 0

3 years ago

Read 2 more answers

(I do not know which one the correct one is)

salantis [7]

The answer is A, Directly from the soil.

4 0

3 years ago

No food source of nucleic acids, they are all created by ____________?

abruzzese [7]

They are made up of purines and pyrimidines. hope this helped!

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3 years ago

A research group discovers a new version of happyase, which they call happyase*, that catalyzes the chemical reaction HAPPY SAD.

notka56 [123]

Answer:

a. kcat = Vmax/[Et] = (1.6 \muM/s) / 0.004 \muM = 400 s-1

b. Vmax = [Et] kcat = [1 nM] (400 s-1) = 400 nM/s which is 0.4 \muM/s.

Now we can use the Michaelis-Menten equation if all the units are similar (all molar conc in nM or in this case \muM):

V0 = Vmax*[S] / Km+[S] = 0.3 \muM/s = (0.4 \muM/s) (30 \muM) / (Km+30\muM)

Then solving for KM, we get:

(0.3 \muM/s) (Km + 30 \muM) = 0.4\muM/s (30 μM)

0.3 \muM/s(Km) + 9 \muM2/sec = 12 \muM2/s

0.3 \muM/s(Km) = 3 \muM2/s

Km = 10 \muM

Another way to do this would be to first rearrange the Michaelis-Menten equation to:

V0/Vmax = [S] / Km+[S]

(300 nM/s) / (400 nM/s) = 3/4 = [S] / (Km + [S])

4 [S] = 3 Km + 3[S]

Km = [S]/3 = 30 \muM / 3 = 10 \muM

c. After removal of ANGER, the Vmax increased to 4.8 \muM/s and the Km became 15 \muM. It is a mixed because it is affecting both Vmax and Km.

Because Vmax increased by a factor of 3, \alpha'=3.

Similarly, Km varies as a function of \alphaKm/\alpha'. Given that Km increased by a factor of 1.5 when ANGER was removed (that is, the inhibitor decreased the observed Km by 2/3 and \alpha'=3, then \alpha=2.

d. Because both \alpha and \alpha' are affected, ANGER is a mixed inhibitor.

Explanation:

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4 years ago