1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Vera_Pavlovna [14]
3 years ago
9

think about water and how it rolls up on a beach. think of all it's qualities. is it alive according to the characteristics of l

ife? why or why not?
Biology
1 answer:
Illusion [34]3 years ago
7 0
Water is not alive because it rolls up on the beach not due to its own habits. The tides are controlled by the moon and it's phases.
You might be interested in
Place the following events of muscle excitation in the correct order.
svetlana [45]

An motion potential in the presynaptic cell activates calcium channels. Ca+ triggers the discharge of Acetylcholine through exocytosis. Ach binds its receptors in the postsynaptic membrane, opening Na+ channels. The Order is 4, 3, 5, 1, 2.

The principal frightened system generates an motion potential that travels to the goal activating the calcium channels ⇒ event (4)

Calcium triggers vesicles fusion to the presynaptic membrane. By exocytosis, vesicles release the neurotransmitter -Acetylcholine- into the synaptic space ⇒ event (3)

Once there, Ach binds to its receptors on the postsynaptic membrane of the skeletal muscle fiber, causing ion channels to open ⇒ event (5)

Positively charged sodium ions move the membrane to get into the muscle fiber (sarcoplasm) and potassium leaves the cell ⇒ event (1)

The distinction in charges, resulting from these ions' transport, positively charges the fiber membrane. The postsynaptic cell depolarizes ⇒ Event (2)

The motion potential enters the t-tubules depolarizing the internal part of the muscle fiber. Contraction initiates while the motion potential depolarizes the internal part of the muscle fiber. Calcium channels spark off in the T tubules membrane, releasing calcium into the sarcolemma.

At this point, the muscle is at rest, and the tropomyosin is inhibiting the appeal strengths between myosin and actin filaments. Tropomyosin is obstructing binding sites for myosin on the skinny filament.

When calcium enters the sarcolemma, it binds to troponin C, and troponin T alters the tropomyosin role through shifting it and unblocking the binding sites.

Myosin heads be a part of the uncovered actin-binding points forming move-bridges, and whilst doing so, ATP turns into ADP and inorganic phosphate, that's released.

Myofilaments slide impulsed through chemical energy accumulated in myosin heads, generating a strength stroke. The strength stroke initiates while the myosin move-bridge binds to actin. As they slide, ADP molecules are released. A new ATP hyperlinks to myosin heads and breaks the bindings to the actin filament.

Then ATP splits into ADP and phosphate, and the energy produced is gathered in the myosin heads, which begins offevolved a new binding cycle to actin.

Finally, Z-bands are pulled towards every other, and the sarcomere and the I-band get shorter, generating muscle fiber contraction.

According to those steps, the appropriate order of activities is 4, 3, 5, 1, 2.

To learn more about Acetylcholine, click here:

brainly.com/question/13821381

#SPJ4

7 0
9 months ago
Carbon in the ocean originates from the atmosphere.<br> True <br> Or <br> False?
icang [17]

Answer:

True

Explanation:

In fact, there is a Oceanic Carbon cycle! Carbon dioxide get absorbed by the ocean's surface from the atmosphere and then get converted into a dissolved inorganic compound and so on.

3 0
3 years ago
Read 2 more answers
help por favor :) based on the diagram which of these is most likely to cause the membrane protein to change shape
Marina CMI [18]

Answer:

bbbbbbbb its bbbb

Explanation:

5 0
2 years ago
Read 2 more answers
When does the anterior fontanel of an infant close
enyata [817]

Answer:

Within 10 to 24 months

Explanation:

In infants, you may observe soft spots in the head and these are called fontanelles. They are located in different specific areas and they close at varied times.

The posterior fontanelle is the first to close, usually around 2 to 3 months after the infant's birth. The second would be the sphenoidal fontanelle, closing at 6 months. The third would be the mastoid fontanelle, which closes within 6 to 18 months. Lastly, the anterior fontanelle, which closes around 10 to 24 months after birth.

8 0
3 years ago
ok so i am researching about lizards for a test how do lizards regrow limbs? and how is it a fat tailed gecko can have lairs on
barxatty [35]

Answer:

Cells

Explanation:

Most lizards have a regeneration process when they lose a limb. The cells in a lizard's body divide in pockets including muscle, cartilage, spinal cord, and skin throughout the limb of the lizard. This process is repeated until the limb has fully grown back.

3 0
2 years ago
Other questions:
  • I make up cell membranes. what am i?
    15·1 answer
  • What is the importance of nitrogen, carbon, and water cycles
    15·1 answer
  • what is the final pH of a solution made by mixing 100 ml of 0.05M acetic acid and 100 ml of 0.1M sodium acetic? assuming pKa for
    8·1 answer
  • Is gender the same as sex...?
    14·2 answers
  • In gel electrophoresis, how is DNA cut into smaller pieces?
    7·1 answer
  • These are submarine mountains.
    12·1 answer
  • Is this stomata open or closed??
    13·2 answers
  • During which stages of the cell cycle does a chromosome consist of two identical chromatids​
    11·2 answers
  • What is a Gymnosperm? Provide 2 examples
    8·2 answers
  • How different enzymes can be used to demonstrate which macromolecule the transforming factor of bacteria is?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!