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Rasek [7]
3 years ago
15

Where do the cells project through the ethmoid bone and synapse with the olfactory bulbs?

Biology
1 answer:
VikaD [51]3 years ago
8 0
<span>The afferent nerve fibres of the olfactory receptor neurons transmit nerve signal about odours to the CNS. From the olfactory mucosa (inside the nasal cavity), the nerve travels up through the cribriform plate of the ethmoid bone where the fascicles enter the olfactory bulb<span>. The olfactory</span> bulb is a structure which contains specialised neurones, called mitral cells and the nerve fibres synapse with those mitral cells, forming collections known as synaptic glomeruli. From the glomeruli, second order nerves then pass into the olfactory tract which runs to the CNS (</span>primary olfactory cortex). 
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svp [43]
When fixed carbon leaves the Calvin cycle or light dependent reactions, it will become the molecule G3P, which is then combined to make glucose. The rest of the carbon is recycled to replace RUBP.
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2 years ago
Hair is produced at the base of hair follicles from columns of cells that die when they are filled with keratin.
Lilit [14]
False, then the second one the answer is sweat glands
4 0
3 years ago
A heterozygous tall pea plant is allowed to self-fertilize. The resulting F1 progeny are 25% homozygous tall, 50% heterozygous t
maks197457 [2]

Answer:

25% heterozygous tall

Explanation:

If we take the F1 generation as parents and let them self-fertilise, we have 4 crosses.

The first one for homozygous tall, then we have 100% AA.

The second and third one for heterozygous tall and we have 25% AA, 50%Aa and 25%aa for each of them.

The last one would be for dwarf, and we'll have 100%aa.

Adding all of them, we'll have

AA = 100 + 25 + 25 = 150%

Aa =  50+50 = 100%

aa = 100 + 25 + 25 = 150%

as we had 4 crosses, so dividing the total percentages by 4, we'll have,

AA = 37.5%

Aa = 25%

aa = 37.5%

:. The percentage of heterozygous tall would be 25%.

Hope it helps:)

8 0
3 years ago
Which of the following is the function of plant leaves ?
iVinArrow [24]
D because they help in photosynthesis to make food for plant
8 0
3 years ago
1.Write the part of the brain that preforms each of the functions shown below.
Damm [24]

The parts of the brain of a living organism which perform each of the functions are listed as follows:

  • <u>Hypothalamus:</u> it regulates sleep.
  • <u>Optic nerve:</u> it connects brain and eyes.
  • <u>Cerebellum:</u> it controls balance.
  • <u>The frontal lobe:</u> it controls thinking.
  • <u>The </u><u>brain</u><u> stem:</u> it controls breathing and heart rate.
  • <u>The nucleus accumbens:</u> it is the pleasure center.

<h3>What is a brain?</h3>

A brain can be defined as an organ of soft-nerve tissue that is found within the skull of vertebrates, and it's mainly responsible for the coordination of nervous activities, sensation and intellect in living organisms.

Based on scientific records and information, the two (2) sides of the brain (symmetrical left and right hemispheres) are able to communicate through the corpus callosum.

In conclusion, we can infer and logically deduce that the parts of the brain of a living organism which perform each of the functions are listed as follows:

  • <u>Hypothalamus:</u> it regulates sleep.
  • <u>Optic nerve:</u> it connects brain and eyes.
  • <u>Cerebellum:</u> it controls balance.
  • <u>The frontal lobe:</u> it controls thinking.
  • <u>The </u><u>brain</u><u> stem:</u> it controls breathing and heart rate.
  • <u>The nucleus accumbens:</u> it is the pleasure center.

Read more on brain here: brainly.com/question/1287304

#SPJ1

7 0
1 year ago
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