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vovikov84 [41]
3 years ago
8

What is semen? i cant figure it out

Biology
2 answers:
Blababa [14]3 years ago
7 0

it is sperm it comes from a dude

swat323 years ago
5 0

Semen is the whitish fluid that carries the sperm cells through the urethra. Semen is released from the penis during ejaculation.

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10. What do we call the action when one muscle works against another muscle?
Kisachek [45]
<h2>Answer:</h2>

Antagonistic.

<h2>Explanation:</h2>
  • Muscles generally work in groups or pairs.
  • Muscles are connected to bones via tendons, these tendons and muscles help in movement of a joint.
  • When a muscle is put in contraction, usually only one bone moves.  For example on contraction of biceps of the arm contracts then the radius moves but the scapula does not move.
  • This type of muscle action is called antagonistic muscle action. In which the muscle which is working is called the prime mover or agonist and the relaxing muscle is called the antagonist.  

Result: The muscle action in which a muscle works against another muscle is called antagonistic.

6 0
3 years ago
Which two organisms would most likely synthesize the most similar enzymes?
Assoli18 [71]

Answer:

D

Explanation:

hope this helps you to understand:)

6 0
3 years ago
Which effect does a gradual decrease in pH from 13 to 1 have on the action of amylase?
tatiyna

Answer:

A decrease in pH is too acidic compared to optimum pH for amylase activity. The hydrogen ion changes amylase sites of activity and amylase activity become low. At pH 13 to 1 which is acidic, reduces the activity of amylase because the hydrogen ion changes amylase activity sites and render it's action low which will denatures amylase and make it ineffective.

Explanation:

Amylase refer to enzymes that catalyses or breakdown starch into sugars. General, enzymes are biological substances that speed up the rate of chemical reactions.

Enzymes generally are affected by pH. The most favorable pH is the optimum pH which make amylase to be effective or enzymes.

A high pH or low pH has effect on the enzymes and will reduces enzymes activities. A low pH will cause the hydrogen ion to alter the enzymes sites and reduce their activities while high pH will cause the hydroxides ion to alter the enzymes activity sites.

8 0
3 years ago
Chlorophyll absorbs the sun's energy allowing plants to change carbon dioxide and<br> water into
Anton [14]
Water makes oxygen and carbon dioxide makes glucose.
3 0
3 years ago
Gbbhhh <br>hhhhbbnnnnbnnbn<br>​
dybincka [34]

Answer:

C

Explanation:

system / organ system

7 0
3 years ago
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