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stiv31 [10]
3 years ago
14

national defense, currency, post office, foreign affairs, & interstate commerce. b. charter local governments, education, pu

blic safety, registration & voting, intrastate commerce. c. lend and borrow money, taxation, law enforcement, charter banks, & transportation. d. public safety, national defense, education, transportation, & intrastate commerce. e. charter banks, charter local governments, national defense, registration & voting.
Chemistry
1 answer:
katen-ka-za [31]3 years ago
3 0

Answer And Explanation:

Option C is correct.

Lend and borrow money, taxation, law enforcement, charter banks and transportation.

Some of the powers that were mentioned in the other options that weren't concurrent powers (that is, they belong to either the state government alone or the federal government alone) & disqualified them from being the answer include:

National defence (federal), Currency (federal), foreign affairs (federal), intrastate commerce (state) etc.

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Based on the table, which do you think is larger – your direct water use or your indirect water use?
Pavlova-9 [17]

Answer:

your indirect water use.

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3 years ago
The lock-and-key model and the induced-fit model are two models of enzyme action explaining both the specificity and the catalyt
ivolga24 [154]

Answer:

The lock-and-key model:

c. Enzyme active site has a rigid structure complementary

The induced-fit model:

a. Enzyme conformation changes when it binds the substrate so the active site fits the substrate.

Common to both The lock-and-key model and The induced-fit model:

b. Substrate binds to the enzyme at the active site, forming an enzyme-substrate complex.

d. Substrate binds to the enzyme through non-covalent interactions

Explanation:

Generally, the catalytic power of enzymes are due to transient covalent bonds formed between an enzyme's catalytic functional group and a substrate as well as non-covalent interactions between substrate and enzyme which lowers the activation energy of the reaction. This applies to both the lock-and-key model as well as induced-fit mode of enzyme catalysis.

The lock and key model of enzyme catalysis and specificity proposes that enzymes are structurally complementary to their substrates such that they fit like a lock and key. This complementary nature of the enzyme and its substrates ensures that only a substrate that is complementary to the enzyme's active site can bind to it for catalysis to proceed. this is known as the specificity of an enzyme to a particular substrate.

The induced-fit mode proposes that binding of substrate to the active site of an enzyme induces conformational changes in the enzyme which better positions various functional groups on the enzyme into the proper position to catalyse the reaction.

4 0
3 years ago
what concentration in parts per million in a solution that contains .008 grams of o2 dissolved in 1000 grams of water
julia-pushkina [17]
Ppm = mass of solute mg / mass of solvent kg

0.008 * 1000 =  8.0 mg ( solute )

1000 / 1000 = 1.0 kg (solvent )

ppm = 8 / 1

= 8.0 ppm

hope this helps!
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3 years ago
1 calorie is equal to ______ Joules.
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7 0
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Read 2 more answers
7. The nuclear model and the solar system model both show atoms with electrons circling around
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These models are similar because "both the nuclear model and the solar system model have concept of nucleus, electron, positively charged nucleus at center and electrons orbiting around the nucleus".

<u>Explanation:</u>

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The existence of the external objects influences the stable state of other surrounding objects as suggested by Pauli theory of exclusion and gravitational disturbance. Overall on the basis of the view only, in both the model their is similarity like atomic model speaks about electrons orbiting the nucleus similar to planets orbiting the sun.

6 0
3 years ago
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