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Masteriza [31]
3 years ago
12

Please answer this question for me

Biology
1 answer:
CaHeK987 [17]3 years ago
7 0

Answer:

Structure Z is the cell wall and is very strong. It keeps out pathogens because of its thick layer

Explanation:

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You notice that your lilies bloom before your asters in your flower garden. Which explanation for this phenomenon CANNOT be test
Andrews [41]

The beauty of plants being the reason for faster blooming cannot be tested using the scientific method.

<h3>The scientific method</h3>

It is a rational order of steps through which scientific investigations are conducted.

Beauty is a relative term and can be generally subjective. What is beautiful to one person might not be beautiful to others.

If we say that the lilies bloomed first before the asters because they are more beautiful, it will be difficult to categorize beauty into a metric variable, and thus, cannot be scientifically tested.

More on the scientific method can be found here: brainly.com/question/7508826

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2 years ago
Secretory cells use ________________ to export their products
stealth61 [152]

Answer:

ATP

Explanation:

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3 years ago
Trypanosome infections evade attacks by host immune systems through which of the following mechanisms? A. insertion of its DNA i
lapo4ka [179]

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<h2>Through production of news cell-surface proteins with a different molecular structure by each new generation. Letter B</h2>

Explanation:

The life cycle of theses paratises extracellular alternate between the salivary glands of the insect transmitter and the blood of the mammal. During the set prior to the entry into the host, the metacylic parasites express a dense over formed by the Variant Surface of Glycoprotein, after entering to the mammal host they transform  into a morphology that stays in the bloodstream.

<em>The parasites have to manipulate hosts cells in order to avoid the production of antimicrobial molecules and to benefit from growth factor production.</em>

<em>Intracellular protozoa have a remarkable adaptive capacity as they are able to resist killing by remodelling the phagosomal compartments where they reside and by interfering with the signalling pathway that leads to cellular activation. </em>

3 0
3 years ago
What is a combination of two or more metals?
navik [9.2K]
A combination of two or more metals is called and Alloy.
6 0
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I need help with 6 and 7 please.
kotegsom [21]

Answer:

6)  C

7)  A

Explanation:

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