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AnnZ [28]
2 years ago
14

If Petal color was a complete dominant trait (A being red petals and a being white), what percent.

Biology
2 answers:
ELEN [110]2 years ago
5 0

Answer:

75%

Explanation:

3/4ths are dominant, so 75% will be red.

Leokris [45]2 years ago
4 0

Answer:

75%

Explanation:

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Our Sun is all of the following EXCEPT ____.
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Which clients are showing manifestations of infection? select all that apply?
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3 years ago
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
Which organism is responsible for returning nutrients back to the soil
Tcecarenko [31]

According to the research, decomposers are organisms responsible for returning nutrients back to the soil.

<h3>What are decomposers?</h3>

They are different organisms such as bacteria and fungi whose main function is to break down the waste of plants and animals.

With the decomposition process where organic matter is processed into inorganic, simple elements (nutrients) reappear in the soil that are used as food by plants.

Therefore, we can conclude that according to the research, decomposers are organisms responsible for returning nutrients back to the soil.

Learn more about decomposers here: brainly.com/question/28066599

#SPJ1

8 0
1 year ago
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