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mote1985 [20]
2 years ago
13

Which is NOT included in the appendicular skeleton?

Biology
1 answer:
Anon25 [30]2 years ago
7 0

Answer:

=> C. ribs

Explanation:

=> The appendicular skeleton is composed of the bones of the <em>pectoral</em> <em>limbs</em> (arm, forearm, hand), the <em>pelvic</em> <em>limbs</em> (thigh, leg, foot), the <em>pectoral</em> <em>girdle</em>, and the <em>pelvic</em> <em>girdle</em>.

=> Ribs is a part of the axial skeleton.

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the diagram below represents two cells, x and y which statement is correct concerning the structure labeled A ?
DaniilM [7]

The diagram below (attached image) represents two cells, X and Y.

Which statement is correct concerning the structure labeled A?

A) It is involved in cell communication in cell X but not in cell y.

B) It represents a cell wall in cell X and the cell membrane in cell y.

C) It prevents the absorption of CO2 in cell x and O2 and cell y.

D) It aids in the removal of metabolic waste in both cell X and Y ​

Cell membrane accomplishes several functions, among them, the removal of cell wastes. Option D. It aids in the removal of metabolic waste in both cell X and Y.

<h3>What is the cell membrane?</h3>

The cell membrane is a barrier that surrounds the cell content and isolates it from the extracellular space. It is composed of two lipidic layers, proteins, and glucans incrusted in between.

The cell membrane accomplishes many different functions. Among them, we can mention,

  • Isolation ⇒ It separates the intracellular content from the extracellular space.

  • Protection ⇒ It protects the interior of the cell from any damaging external factor that might affect its correct functioning.

  • Transport ⇒ It allows the selective pass of certain molecules or ions.

Substances interchange

⇒  Passive transport → Simple diffusion → through lipids

                                     → Facilitated diffusion → Assisted by channel  

                                        proteins

                                     → Does not need energy

                                    → Depends on the molecule size, the concentration                      

                                       at each side of the membrane, and the charge of      

                                       the ions.

                                      → Occurs in favor of the electrochemical gradient

⇒ Active transport → It does the energy to occur

                                → Mediated by carrier proteins

                                → Transport big-sized molecules

                                → Against the electrochemical gradient

⇒ Endocytosis/Exocytosis → Active transport mediated by vesicles.  

  • Communication ⇒ By emission and reception of substances and molecules, the cell can communicate with other cells. This process is always mediated by membranes and their transport proteins or receptor proteins.

In the exposed example X cell represents an animal cell, and Y cell is a plant cell.

Both the animal and plant cells are eukaryotic. They carry their genetic material in the nucleus and mitochondria. Organelles are located in the cytosol, and both of them are surrounded by a protector cell membrane.

Among the options, the correct one is D. It aids in the removal of metabolic waste in both cell X and Y

You can learn more about cell membranes at

brainly.com/question/13524386

#SPJ1  

7 0
1 year ago
Help with all please 10 points and try and leave a small explanation, sorry for the quality lol.
andrew-mc [135]
Answer for question 1- B (eliminate all plant life)

Answer for question 3- A (Direct energy from the Sun)

(i’m not entirely sure what the answer is to question 2 and i do apologies if any of this incorrect)

5 0
2 years ago
What is NOT a method used to
LiRa [457]

Answer:

making hole in the same to get the new DNA into the cell

5 0
2 years ago
How does the ocean conveyor belt affect the climate in western europe
scZoUnD [109]
The correct answer is B

<span>B. the climate is cooler than it would be without a current flowing by it
</span>
This is because the ocean conveyor belt help balance the climate of western Europe,by releasing heat as it moves pole ward, which moderates the cold temperatures in the region.
<span /><span />
7 0
3 years ago
Read 2 more answers
Choose all the answers that apply.
____ [38]

increase because of carbon

4 0
3 years ago
Read 2 more answers
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