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Margaret [11]
3 years ago
7

All substances that enter or leave a cell must cross the cell _____

Biology
2 answers:
pychu [463]3 years ago
8 0

Answer:

Cell membrane

Explanation:

Hope it helps

Fudgin [204]3 years ago
6 0

all substance that enter or leave a cell must cross the cell cells membrane

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The structural classification of the pubic symphysis joint is ___________, and the functional classification is ___________
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<h2>Classification of  Symphysis</h2>

Explanation:

  • The structural classification of the pubic symphysis joint is <u>fibrous,</u> and the functional classification is divides joints into three categories <u>synarthroses, amphiarthroses, and diarthroses.</u>
  • Joints are<em> utilitarian intersections between at least two bones</em>.
  • Joints tie the <em>skeleton together,</em> to give structure and permit muscles to move issues that remains to be worked out specific undertakings, for example, running, coming to and getting a handle on.
  • There are numerous kinds of joints the most well-known of which are synovial joints. These joints are <em>unreservedly moveable.  </em>
  • Joints can be grouped by the sort of the tissue present <em>(sinewy, cartilaginous or synovial),</em> or by the level of development allowed (<em>synarthrosis, amphiarthrosis or diarthrosis).  </em>
  • This sort of joint accommodates a solid association between the neighboring bones, which serves to secure inward structures, for <em>example, the mind or heart.</em>
  • Models incorporate and the cartilaginous manubriosternal joint The stringy joints of the skull sutures
4 0
4 years ago
In the Punnett square fill in the shaded boxes with the alleles of each parent use B for the dominant allele (black fur) and b f
ElenaW [278]

Answer:

Explanation:

Under the male put BB

Next to the female bb

then first row should be Bb Bb

second row should Bb Bb

7 0
3 years ago
For a metamorphic rock to turn into magma it would have to _______.
Evgen [1.6K]
Be heated to an extreme temp
6 0
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The two types of motor neurons perform different activities: The upper motor neuron ____________ the activity of the lower motor
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Answer:

The two types of motor neurons perform different activities: The upper motor neuron excites or inhibits the activity of the lower motor neuron, but the lower motor neuron always is excitatory because its axon connects directly to the skeletal muscle fibers. The cell bodies of motor neurons and most interneurons involved in the innervations and control of limb and trunk muscles reside in the spinal cord anterior horn and the gray matter zone between the anterior horn and the posterior horn. The neurons that innervate the head and neck are located in the motor nuclei of cranial nerves and in the reticular formation. Motor neuron axons form two types of motor pathways: The direct pathways are responsible for conscious control of skeletal muscle activity; the undirect pathways are responsible for subconscious or unconscious control.

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3 years ago
What benefit do small spaces provide in the formation of organic molecule??
kherson [118]

The benefit that small spaces provide in the formation of organic molecules is that it creates an additional surface area on which reactions can take place. A larger surface area allows biochemical reactions to take place more frequently, thus increasing the rate of the biochemical reaction. 



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