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beks73 [17]
4 years ago
5

All of the page please !!!

Biology
2 answers:
bazaltina [42]4 years ago
6 0

Answer:

(a) Allow movement in only one plane/direction (that is extension or flexion)

(b) The skeletal system also produces blood cells in their bone marrow

Harlamova29_29 [7]4 years ago
4 0
A. Allow movement
B. produces blood
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When there is not enough carbon dioxide in a plant, a process called photorespiration may occur. This process uses the excess ox
sergiy2304 [10]

A prolonged period of photorespiration would affect a plant, giving a significant evolutionary advantage to plant species in dry climates.

<h3>What is the difference between photorespiration and respiration?</h3>

One of the basic differences between photorespiration and respiration concerns the effect of O2 on the two processes. Respiration saturates when O2 reaches approximately 2%, while photorespiration does not reach saturation in a pure O2 atmosphere.

<h3>Under what conditions does photorespiration occur?</h3>

Photorespiration is an expensive metabolic pathway that occurs when the Calvin Cycle enzyme rubisco acts on oxygen instead of carbon dioxide.

With this information, we can conclude that A prolonged period of photorespiration would affect a plant, giving a significant evolutionary advantage to plant species in dry climates.

Learn more about photorespiration in brainly.com/question/13433623

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2 years ago
A “year” on Earth is 365.26 days long. A “year” on Saturn lasts over 29 times longer than Earth. Which of the following best exp
dybincka [34]

Answer: Saturn is farther from the Sun than Earth.

Explanation:

5 0
3 years ago
If an inhibitory synapse fires at the same time and at the same distance from the initial segment as an excitatory synapse of th
Sergio [31]

Answer:

If an inhibitory synapse fires at the same time and at the same distance from the initial segment as an excitatory synapse of the same intensity there will be no changes in the potential in the firing zone.

Explanation:

Under normal conditions, the transmembrane potential depends on the ionic charges present in the intracellular and extracellular spaces. The extracellular space load is usually positive and in the cytoplasm is negative.

  • <u>Depolarization</u> occurs by opening ion channels that allow sodium to enter the cell, making the intracellular space more positive.
  • An opening of potassium channels releases this ion to the extracellular space, leading to <u>hyperpolarization</u>.

An excitatory synapse is one capable of depolarizing a cell and boosting the production of action potential, provided it is capable of reaching the threshold of said potential.

On the other hand, an inhibitory synapse is able to hyperpolarize the cell membrane and prevent an action potential from originating, so that they can inhibit the action of an excitatory synapse.

The interaction between two synapses, one excitatory and one inhibitory, -called synapse summation- will depend on the strength that each of them possesses. In this case, the intensity of both synapses being the same, there will be no changes in the membrane potential in the firing zone.

Learn more:

Excitatory and inhibitory postsynaptic potentials brainly.com/question/3521553

6 0
3 years ago
The atomic number of an element is the same as the number of _________ in each atom.
muminat
Neutrons plus protons
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3 years ago
The Milky Way a section of the universe smaller in size than our solar system, true or false
kakasveta [241]

Answer:

The answer is false, because our solar system exists inside the Milky Way.

Explanation:

3 0
3 years ago
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