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Karolina [17]
2 years ago
8

Which of the following is a statistical

Biology
1 answer:
Charra [1.4K]2 years ago
6 0
The correct answer is D; this is the statistical question as it is asking for data that can have a varying answer
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A sonic boom is produced by a jet. What can you determine about the jet's motion?
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"C" The only way something will make a shockwave or a sonic boom is if it's traveling faster than the speed of sound
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3 years ago
Is an average leaf size continuous or discontinuous variation?
never [62]

Answer:

d

Explanation:its d trust

6 0
3 years ago
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Which is a mechanism for restricting the movement of proteins in the plasma membrane? Choose one or more:
alexgriva [62]

Answer:

The correct answers are option A. "tethering proteins to the cell cortex", B. "using barriers such as tight junctions", C. "tethering proteins to the extracellular matrix", D. "forming a covalent linkage with membrane lipids", E. "tethering proteins to the surface of another cell"

Explanation:

According to the fluid-mosaic model, the components of cell membranes are in constant movement forming a barrier to avoid unwanted exterior component internalization and to avoid the loss of precious internal components. This constant movement could cause that proteins move across the plasma membrane. But, this is avoided by several mechanisms including:

A. Tethering proteins to the cell cortex. The cell cortex is a rigid structure made of actin and actomyosin. Proteins found in the plasma membrane are tethered to this structure to restrict their movement.

B. Using barriers such as tight junctions. Tight junctions are barriers found in epithelia made of claudin and occludin proteins. These barriers are impenetrable, which avoid the movement of proteins in the cell membrane.

C. Tethering proteins to the extracellular matrix. The extracellular matrix is made of several proteins and macromolecules that provide a structural and biochemical support to cells that are nearby. Proteins could be tethered to this rigid structure as well.

D. Forming a covalent linkage with membrane lipids. The proteins in the cell membrane that form a covalent linkage with membrane lipids are known as lipid-anchored proteins, or lipid-linked proteins.

E. Tethering proteins to the surface of another cell. When cell-cell communication take place it is possible that proteins in the cell membrane got tethered to the surface of the other cell.

6 0
3 years ago
In what type of organs are the cells that enter meiosis 1 found
allsm [11]

Answer:

gonads, ovaries and testes

Explanation:

if im right, can i get the crown

8 0
2 years ago
How are the cells in multicellular organisms different from those in single-celled organisms?
Mrac [35]

Answer: Option D) Cells in multicellular organisms are specialized to perform certain functions.

Explanation:

Multicellular organisms include humans, reptiles, birds etc. While unicellular organisms include amoeba, paramecium etc

From the examples given, the cells of multicellular organisms are specialized in function in that:

- cells that perform similar functions are put together as tissues, organs or system e.g digestive system consists of the similar cells that help to break down food into pieces

On the other hand, unicellular organisms possess just one cell that do all the functions.

Thus, the difference between both is that cells in multicellular organisms are specialized to perform certain functions.

3 0
3 years ago
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