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Hunter-Best [27]
3 years ago
14

As DNA polymerase adds new nucleotides it's creating a new nucleic acid polymer. What kind of reaction is this enyme facilitatin

g?
A. hydrolysis

B. dehydration

C. catalysis

D. exothermic
Biology
1 answer:
fiasKO [112]3 years ago
7 0

Answer:

C. Catalysis

Explanation:

The polymerase catalyzes the nucleophilic attack of the 3′ hydroxyl group terminus of the polynucleotide chain on the α-phosphate group of the nucleoside triphosphate to be added

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Place the following statements in order showing the sea floor spreading process.
Alex Ar [27]

Answer:

1- Two tectonic plates separate as they are pulled apart by convection in the mantle.

2- Molten material from the mantle rises up towards the surface due to convection and fills in the rift.

3- New oceanic crust is formed.

4- The crust slowly moves away from the ridge equally on either side.

5- Overtime, the creation of oceanic crust will cause continents to move.

Explanation:

Oceanic plates get separated and the spaces left among them are filled with magma coming from the mantle. When the magma reaches the surface, it suffers physical and chemical changes at the moment it gets in touch with the cold ocean water. The magma temperature descends and turns into a new oceanic crust.  Plates keep separating from each other, and the new oceanic crust moves forward each side of the crest making a place for the ascension of new fluid hot material from the mantle. This constant process is what makes the continents eventually get separated each time  more.

8 0
3 years ago
Particle with the symbol -?
prisoha [69]
The electron has a negative charge.
5 0
3 years ago
Which activity is most likely a result of a sudden, unexpected change in the environment?
marin [14]
I think that carbon dioxide/pollution could be a massive change in the environment. You can find more information here
http://www.theworldcounts.com/stories/How-Pollution-Affects-the-Environment
8 0
3 years ago
Conglomerate rocks usually form:<br><br> in deserts<br> in forests<br> on beaches<br> near rivers
alisha [4.7K]
Conglomerate rocks usually form:

in deserts
in forests
on beaches
near rivers



They are formed on beaches
7 0
2 years ago
Read 2 more answers
PLS HELP ASAP 50 POINTS AND BRAINLIEST USER
andriy [413]

Plasma membrane - protect cell from it's surroundings. In both kinds of cells.

Cytoplasm - supports rounded cell structure, within it are all the organelles. Contains chemicals needed by the cell. In both kinds of cells.

Nucleus - contains DNA and is the control center of the cell. In both kinds of cells.

Nuclear envelope - surrounds nucleus, makes sure important molecules (DNA) stay within the nucleus. In both cells.

Nucleolus - makes ribosomes. In both cells.

DNA - genetic information for development and function. In both cells.

Rough ER - produces proteins. In both cells.

Smooth ER - makes and stores lipids (fats). In both cells.

Golgi body - sort and process macromolecules (proteins, lipids, etc). In both cells.

Ribosomes - makes proteins. In both cells.

Vacuoles - very large in plants, a storage center. In both cells.

Lysosome - digests and removes wastes. In both cells.

Mitochondria - energy powerhouse, produce ATP energy. In both cells.

Cytoskeleton - shapes, supports, and facilitates movement. In both cells.

Centrioles - cell division (form spindle fibers). Only in animal cells.

Cilia - movement for microorganisms. Only in animal cells.

Chloroplasts - photosynthesis, helps absorb sunlight and make food for the plant. Only in plant cells.

Cell wall - strength, structure, filters molecules going in and out of the cell. Only in plant cells.

Central Vacuole - holds materials and wastes, helps maintain proper pressure within the cell. Only in plant cells.

Hope this helps!

8 0
3 years ago
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