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Firlakuza [10]
3 years ago
8

Fish liver oil provides

Biology
2 answers:
Ghella [55]3 years ago
7 0
The answer should be vitamins A and D.
kap26 [50]3 years ago
4 0

Answer:

Vitamins A and  D

Explanation:

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Select TWO events that occur when a neurotransmitter binds and activates an excitatory synapse.
andrew-mc [135]

Answer:

Key points

Neurons communicate with one another at junctions called synapses. At a synapse, one neuron sends a message to a target neuron—another cell.

Most synapses are chemical; these synapses communicate using chemical messengers. Other synapses are electrical; in these synapses, ions flow directly between cells.

At a chemical synapse, an action potential triggers the presynaptic neuron to release neurotransmitters. These molecules bind to receptors on the postsynaptic cell and make it more or less likely to fire an action potential.

Explanation:

7 0
2 years ago
The condition Marfan syndrome results from the production of abnormal elastin, the main protein component of elastic fibers. Pre
Marina86 [1]

Answer:

Elastic fibers are made of elastin and microfibrils, that are elastic protein structures. The proteins can be stretched and resume normal shape. These fibers are found in parts of the body such as arteries, skin, lungs, connective tissue and heart that require some stretching. Marfan syndrome affects the elastic connective tissues causing symptoms like dilation of the aorta that doesn't resume normal lumen diameter (aortic aneurysm), and curving of the spine (scoliosis).

The lungs are unable to stretch and resume shape normally and this affects the respiratory system. The subjects will suffer from shortness of breath, wheezing and chest pain.

The sheath/endoneurium of neurons is connective tissue. This part of a neuron allows signals to travel effeciently along the axon of the neuron. This means that a person with Mafran syndrome has a slower response to stimuli that ordinary persons.

4 0
2 years ago
what is it called a chart that allows you to easily determine the expected percentage of different genotypes in the offspring of
BabaBlast [244]
The answer would be pungent squares
6 0
3 years ago
Read 2 more answers
Which two statements describes how a bean plant and a squeril obtain energy
rusak2 [61]
1) The bean plant gets energy directly from the sun to make its food by photosynthesis 

2) The squirrel's digestive system breaks down food for energy

Hope this helped. :)
6 0
3 years ago
What travels through a food chain or web?
Inessa05 [86]
Energy travels through a food chain/web. When an organism eats another organism, the energy from the food is passed to the eater. For example, we humans eat food to give ourselves enough calories (energy) to function properly.
3 0
3 years ago
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