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2 years ago

Which of the following is a site for a muscle or ligament attachment?

Biology

1 answer:

nexus9112 [7]2 years ago

5 0

Answer:

Trochanter

Explanation:

All of these choices are colletively known as bone markings.

Trochanter is an example of a site for a muscle or ligament attachment. We have two trochanters, the greater trochanter and the lesser trochanter. You can find these in the femur, or the thighbone. These are points where the muscle of the hips and the muscle of the thighs are attached.

Eliminating the rest:

Sinus is a cavity or a sac of air, common in the cranium (skull).

Fossa is a depression on the bone.

Foramen is an openning in the bone. You can see this in the vertebral column. There's a space or hollow area in the vertebrae where the spine runs through.

Groove is a furrow or a line that runs along the bone. It is gives space for a blood vessel to fit in so it won't get compressed by the muscles around it.

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Imagine a postsynaptic neuron is experiencing multiple simultaneous incoming synaptic potentials, which were caused by the activ

SashulF [63]

Answer:

The neuron will not fire an action potential.

Explanation:

The missing magnitudes of the synaptic potentials when they reach the postsynaptic cell's axon hillock are:

A. excitatory +7

B. excitatory +10

C. inhibitory -3

D. excitatory +2

E. inhibitory -4

To fire the action potential, the summation of excitatory postsynaptic potentials (EPSP) and inhibitory postsynaptic potentials (IPSP) must reach the action potential threshold, which in this case is 15mV more positive than the resting potential.

The EPSP are: +7 +10 +2= +19

The IPSP are: -3 - 4= -7

EPSP + IPSP=

+19 -7 = +12 mV

The neuron will not fire an action potential since the integration of EPSP and IPSP is below 15mv.

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Where do plants get the carbon dioxide they need for photosynthesis to begin?

babunello [35]

From the air........

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Which statement best explains why the process of genetic engineering is important to the scientific community?

iVinArrow [24]

<h2><u>Answer:</u></h2>

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Which event occurs during interphase?

Len [333]

B is the answer hope i can help

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2 years ago

Which of the following is NOT a mechanism used to temporally regulate the activity of maturation-promoting factor (MPF)?

slavikrds [6]

Answer:

C. glycosylation

Explanation:

The maturation-promoting factor (MPF) is a cell cycle checkpoint that stimulates the passage from G2 (prophase) to M phase (metaphase). MPF also determines that DNA replication during the S (synthesis) phase did not produce any mutations. MPF is inactivated by kinase phosphorylation and activated by specific phosphatases capable of dephosphorylating this protein. On the other hand, glycosylation is a posttranslational modification where a carbohydrate (i.e., a glycan) is added to a functional group of another molecule. Many proteins undergo glycosylation, thereby playing a critical role in regulating protein function.

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2 years ago