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Nezavi [6.7K]
1 year ago
7

Which type of cell adhesion is useful for anchoring cells together and defending against shear forces on tissues

Biology
1 answer:
Angelina_Jolie [31]1 year ago
7 0

Answer:

Desmosomes

Explanation:

Desmosomes are cellular structures that adhere to neighboring cells. Its function is to hold the epithelial cells together, associating the intermediate filament cytoskeletons of neighboring cells, thus forming a transcellular network with high resistance to mechanical traction. It thus allows the cells to maintain their shape and the epithelial sheet to exist in a stable form. Inside cells act as anchoring sites for intermediate rope-shaped filaments, which form a structural network in the cytoplasm providing a certain rigidity. Through these junctions the intermediate filaments of the adjacent cells are indirectly connected forming a continuous network that extends throughout the tissue.

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A biologist observes that a species of stick insects on a remote island has three different color traits, almost equally distrib
Lina20 [59]

Answer:

C

Explanation:

Since the dark green phenotype allows the insects' to blend in with their surroundings, there will be generally more of the same dark green phenotype on the remote island. Since they are blending in with their surroundings, they survive easier, and they are able to stay alive long enough to reproduce. Let me know if this helped!

6 0
2 years ago
Most fungi grow best at pH<br> a. 1<br> b. 5<br> c. 7 <br> d. 9<br> e. 14
scZoUnD [109]

Answer: pH 5 Acidic environment.

Explanation:

The fungi grows best in the acidic environment, this is because the fungi grows in a moist, warm and darker environment.

The fungus grows at lower pH. When the fungal species was grown in the laboratory conditions then under low pH, the fungal species grow more properly.

Hence, the best environment for the growth of fungus is pH 5.

6 0
1 year ago
Read 2 more answers
Why do the circulatory systems of land vertebrates have separate circuits to the lungs and to the rest of the body?
marissa [1.9K]

Answer:

Because it prevents venous blood from mixing with arterial blood (which is rich in oxygen), in this way the circulation is more efficient.

Explanation:

In land vertebrates, the blood circulation is structured in two independent circuits: the pulmonary circulation, where oxygenation of the blood occurs and the elimination of the carbonic anhydride that it contains, returning back to the heart through its left atrium; and the systemic or major circulation, impelled from the left ventricle, transports the oxygenated blood and the nutrients that it assimilates as it passes through the digestive system, to the tissues of the animal, where it is charged again with anhydride carbonic and other waste substances, returning back to the heart, where it enters through the right atrium. These systems are independent and prevents venous blood (which is poor in oxygen) from mixing with arterial blood. These systems are independent and prevents venous blood (which is poor in oxygen) from mixing with arterial blood.

5 0
2 years ago
The role of the reticular formation in arousal is that it is ____.? ?the single, critical system in arousing the cortex ?only on
k0ka [10]

The second choice is correct.  The reticular formation is one of several systems involved in arousal.  The primary function of this interconnected nuclei in the brainstem are modulatory and premotor.  This is also divided into three columns which are the median, medial zone, and the lateral zone. 

4 0
1 year ago
Which form of natural selection on polygenic traits results in the creation of two distinct phenotypes? A. Directional selection
mojhsa [17]

Answer;

-Disruptive selection

Disruptive selection results in the creation of two distinct phenotypes.

Explanation;

-Disruptive selection is a type of natural selection that selects against the average individual in a population. The make up of this type of population would show phenotypes of both extremes but have very few individuals in the middle.

-The variance of the trait increases and the population is divided into two distinct groups. The disruptive selection will cause organisms with intermediate traits to reproduce less, and will allow those organisms with extreme traits to reproduce more.

5 0
1 year ago
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