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Sedaia [141]
2 years ago
13

Which of the following supports the theory that the Universe is expanding?

Biology
2 answers:
Nana76 [90]2 years ago
6 0
A, redshift I’d galaxies, because it shows they are moving away
spin [16.1K]2 years ago
4 0
Blueshift of lights from distant galaxies
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The normal shape of an enzyme is as shown in structure A. If the enzyme's shape changes to that shown in structure B, what are t
Varvara68 [4.7K]

Answer:

There is no image showing the shape of an enzyme, however, the question can still be answered based on basic understanding. The answers are;

- Less binding of substrate

- won't follow the lock-and-key pattern of enzyme binding

Explanation:

An enzyme is a biological catalyst that regulates the rate of chemical reactions in living systems. Enzymes are proteinous in nature and every protein is made up of an amino acid sequence. The amino acid sequence forms a three-dimensional shape that determines the functionality of the enzyme.

Enzymes catalyze reactions by binding to their substrates in a lock and key pattern. This makes enzymes substrate-specific. If the enzyme's normal shape changes, the following will occur:

- Less binding of substrate

- won't follow the lock-and-key pattern of enzyme binding.

8 0
3 years ago
Please help asap
Mashutka [201]

Twice as many I’m pretty sure

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3 years ago
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If non-conjunction concurs and an individual survives, which disorder can occur?
Brilliant_brown [7]
The disorder can occur anytime
8 0
3 years ago
Item 5
Zina [86]

Answer:

Glucose

Explanation:

Glucose is produced during photosynthesis and it is oxidised during cellular respiration to produce ATP energy.

7 0
3 years ago
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Explain the process of the electron transport chain. where do the molecules used in the process come from? what powers the proce
Advocard [28]
Process of Electron Transport Chain (ETC), is a series of transferring from electron donors to their acceptors.  It basically means a transfer from high energy molecule to a low-energy molecule.  This process of extracting energy by transfer is classified as a chemical reaction and we see it is the path taken of cellular respiration (NADH) and FADH2) and in photosynthesis, NADPH.  It starts with an electron, NADH and FADH2, when the electron donors release a proton gradient and it creates an imbalance.  Think of it as a see-saw with one heavy person on one end and a lighter one on the other end.  The protons actually attempt to defuse back across this see-saw of a membrane and it releases energy during the cross over which we call Chemiosmosis.
3 0
3 years ago
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