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koban [17]
3 years ago
10

The spinal cord is protected by the Brain Stem Lower Cord Back Bone Tail Bone

Biology
1 answer:
adoni [48]3 years ago
3 0
The back bone is the correct answer
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Substitutions, additions, or deletions of one or more nucleotides in the DNA molecule are called ___________.
vodomira [7]
I believe that the best answer for this question is "gene mutations." Gene mutations can either take place through nucleotide substitutions, which occur when the the sequence of nucleotides are altered. Frameshift mutations can also occur. They involve the insertion or deletion of a DNA molecule's bases. Hope this helps.
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3 years ago
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During lunar eclipses, light from the sun is blocked by Earth and cannot
Katarina [22]

Answer:

A. True

Explanation:

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ATP and NADH are important energy carriers in the cell.
gulaghasi [49]

Answer:

1. Diffusible through the cytoplasm: BOTH

ATP is a molecule found in the cytoplasm. During the glycolysis process, two molecules of NADH are formed in the cytoplasm and are subsequently transported to the mitochondrial matrix.

2. Can donate hydrogen atoms: NADH

Cytoplasmic nadh transfers hydrogen to oxaloacetate forming malate.

3. Energy stored in bonds between two terminal phosphates: ATP

The bonds between phosphate groups like those of atp are called phosphoanhydride bonds and are used as "high energy" bonds.

4. Contains adenosine ATP

the atp is known as adenosine triphosphate

5. Activates sugars for glycolysis

ATP, by phosphorylating glucose, activates glucose with two phosphate groups (to increase its energy) so that it can be used in other processes when necessary.

6. Two (net) molecules are generated via glycolysis ATP

7. Supplies the electron transport chain nadh

In the electron transport chain each molecule of NADH is converted to 3 of ATP.

8. Hydrolysis can be coupled to biosynthetic reactions

ATP can be hydrolyzed to ADP and Pi by adding water, releasing energy.

9. Can transfer phosphate groups  

ATP provides energy by phosphate group transfer

10. Contains nicotinamide ring NADH

5 0
3 years ago
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Sometimes water goes "down the wrong tube" and you start to cough. Which digestive structure has temporarily malfunctioned when
Advocard [28]

Answer:

Epiglottis

Explanation:

The epiglottis is a leaf like structure tat rests above the voice box/larynx and its main function is to seal off the windpipe during eating, so that food is not accidentally inhaled down the wind pipe. When water goes down the wrong pipe, it goes down the windpipe instead of the oesophagus resulting in water going to your lungs which causes the coughing as a protective reflex to clear the windpipe

5 0
2 years ago
What distinguishes surface and body seismic waves?
siniylev [52]
Answer:
Seismic waves are the wave form of energy that travels through the earth’s layer and they are produced as a result of earthquake, magma movement, volcanic eruptions, land slides and large man- made explosions.
There are two types of seismic waves: body waves and surface waves. Body waves travel through the interiors of the earth. Surface waves travels only through the interface between earth and the atmosphere.
Explanation: please look at comments for a explanation. It’s not letting me explain here.
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2 years ago
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