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mylen [45]
3 years ago
14

John Flashback was running downfield with the football. As he tried to avoid a tackle, he stepped in a hole and his foot was twi

sted under him with great force. The X-ray shows a "broken ankle". The structure that is most likely broken is the
A. calcaneus bone.
B. the patella.
C. a bone in the
D.the lateral malleolus of the fibula.
E. the head of the second metatarsal.fibula
Biology
1 answer:
Brums [2.3K]3 years ago
6 0

Answer:D.the lateral malleolus of the fibula.

Explanation:The ankle is the area/joint where the foot and the leg meet. The ankle consists of three joints which includes

(1) Talocrural joint,

(2) The subtalar joint,

(3) Inferior tibiofibular joint.

The main bones of the ankle region are the talus (in the foot), and the tibia and fibula (in the leg). The malleolus is the bony prominence on each side of the human ankle and the most prominent point of possible injuries or fracture when twisting takes place under great force.

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Carbohydrate layer on the plasma membrane includes all of the following except:
irinina [24]

Answer:

c) Gives a cell its distinctive characteristics

Explanation:

Carbohydrates perform two main functions in the cell's membrane: <em>they participate in cell recognition and adhesion</em> (cell-cell signaling or cell-pathogen interactions), they also have a structural role as a physical barrier.

Most of the carbohydrates linked to the membrane are in the form of <em>glycoproteins oy glycolipids</em>, these are the molecules that share information and recognize host cells. <em>Glycocalyx </em>is another way we find carbohydrates in the cell membrane, this layer has cell-adhesion molecules that enable cells to adhere to each other.

I hope you find this information useful! Good luck!

4 0
2 years ago
How do only certain cells respond to particular signaling molecules that may be sent throughout the body?
kotykmax [81]

Answer:

b. They express the appropriate receptor.

Explanation:

The signal transductions are extraordinarily specific and sensitive. Specificity is achieved by a <u>precise molecular complementarity between the signal molecules and the recepto</u>r. For example, the thyrotropin-releasing hormone produces a response in cells of the adenohypophysis, but not in hepatocytes, which lack the receptors to this hormone.

5 0
3 years ago
Which of the chains of amino acids corresponds to the nucleotide sequence CCUGAUUCC?
777dan777 [17]
I think the correct answer from the choices listed above is option D. The chain of amino acid that corresponds to the nucleotide sequence CCUGAUUCC would be  Leucine–valine–phenylalanine. Hope this answers the question. Have a nice day.
3 0
3 years ago
How did the environment affect the populations of peppered moths in the 1800s in London?
Olenka [21]

Answer:

Option A. Because of the soot covering everything, the dirtier darker moths will be eaten less often, allowing them to reproduce and pass their genes on to the next generation.

Explanation: Sooth is the black powder which is produced due to incomplete combustion of carbon containing compounds. In the england, before industrial revolution, the population of white peppered moth were high due to clean environment and unable to see by the birds during night. When industrial revolution occurs, there is sooth spread on all the trees which is black in color so the population of black peppered moth increases because they can't be seen in the dark by the birds and population of white peppered moth decreases due to easily seen by the birds.

6 0
3 years ago
A professor at the college explained to his students that this theory of hearing is similar to piano strings. If you sound a not
tiny-mole [99]

The correct answer is C.

7 0
3 years ago
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