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slava [35]
2 years ago
6

Fill in the Blank

Biology
2 answers:
irinina [24]2 years ago
7 0
Failed...
I’m not entirely sure
RUDIKE [14]2 years ago
4 0
Cheap, I’m pretty sure it’s right.
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Hi i need help please
allochka39001 [22]
C, massive flooding, I believe. 
7 0
3 years ago
What is the mRNA sequence for the template strand DNA sequence?3' TACAAACTAGAA 5' *
True [87]

Answer:

5' AUGUUUGAUCUU 3'

Explanation:

The nucleotide bases for mRNA are Adenine, Guanine, Cytosine, and Uracil. Uracil replaces Thymine (it's DNA counterpart). From this, you can eliminate options C and D.

Then it is just matching pairs: Adenine = Uracil , Cytosine = Guanine.

3' TACAAACTAGAA 5'

5' AUGUUUGAUCUU 3'

8 0
2 years ago
Explain how the nervous system produces graded contractions of whole muscles
telo118 [61]
(1) The varying number of muscle fibers that contract
<span>In most muscles, the number of muscle fibers in different motor units ranges from a few to hundreds. The nervous system can thus regulate the strength of contraction in a muscle by determining how many motor units are activated at a given instant and by selecting large or small motor unties to activate. </span>
some muscles are almost always partially contracted. In such muscles, the nervous system my alternate activation among the motor units, reducing the length of time any one set of fibers is contracted. Prolonged contraction can result in muscle fatigue due to the depletion of ATP and dissipation of ion gradients required for normal electrical signals.ing.
<span>(2) varying the rate at which muscle fibers are stimulated </span>
<span>single action potential produces a twitch lasting about 100 msec or less. If a second action potential arrives before the muscle fiber has completely relaxed, the two twitches add together, resulting in greater tension. Further summation occurs as the rate of stimulation increases. When the rate is so high that the muscle fiber cannot relax at all between stimuli, the twitches fuse into one smooth, sustained contraction called tetanus.</span>
4 0
3 years ago
5. When a hawk eats a mouse and then uses the energy from the mouse to fly,
mafiozo [28]

Answer:

Chemical To Mechanical

Explanation:

The Chemical energy fueled the hawk and the hawk used that energy to fly, basically like a car needs gasoline to move

5 0
3 years ago
How is air density related to the global wind patterns we see on our planet? *
Korolek [52]

Answer:

For example, air with a large amount of water vapor is less dense than dry air because the water molecule has less mass than either an individual nitrogen or oxygen molecule. Also as elevation or altitude increases, air becomes less dense. Unequal heating of the Earth's surface also forms large global wind patterns

Explanation:

5 0
3 years ago
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