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MrRissso [65]
3 years ago
6

From where do the gems used in jewelry come?

Biology
2 answers:
mr_godi [17]3 years ago
8 0
I believe the answer would be C. pleas brainliest

aniked [119]3 years ago
8 0

C. would be the right answer here

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Which of the following is not a vascular plant?<br> conifer<br> fern<br> moss<br> flowering plant
scoundrel [369]
The answer is moss.

Mosses are nonvascular seedless plants. <span>Nonvascular plants have simple tissues specialized for internal water transport.</span>
On the other side, vascular plants have vascular tissue which consists of xylem and phloem. Xylem transport water and minerals from the root to the upper parts of the plant. Phloem transports food and nutrients from the leaves, where they are produced, to the growing or storage parts of the plants. 

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2 years ago
Fever is the most serious symptom of a systemic infection.<br><br> True<br> False
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Answer:

true

Explanation:that going to be the first symptom you first get when your sick.

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3 years ago
An air pressure of 1,005 millibars is equivalent to approximately how many inches of Mercury?
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3 years ago
URGENT HELP WILL GIVE BRAINLIEST!​
Nutka1998 [239]

Answer:

tall pea plants and short pea plants

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3 0
2 years ago
Prokaryotic bacteria are surrounded by a ____________ that contains the ____________ to regulate the entry and exit of materials
lukranit [14]

Prokaryotic bacteria are surrounded by a cell membrane that contains the transport proteins to regulate the entry and exit of materials through the cell, the cell wall to help maintain cell shape and structure, and the capsule, which aids against drying out and protects bacteria from a host's immune system.

<h3><u>Explanation:</u></h3>

Bacteria are the prokaryotic organisms that are found in every part of Earth. These organisms do have an interesting ultrastructure. The coverings of the bacteria are three in layer. They are

A. The outer capsule.

B. The middle cell wall.

C. The inner cell membrane.

The capsule is the outermost covering of bacteria that is formed of different slimy materials. These materials contains hygroscopic substances which can absorb water from the surroundings even when the water concentration in outside is very very low. This layer of protection outside bacteria help them to protect themselves against drying out at dry conditions.

The middle cell wall is formed of polymers of N acetyl glucosamine and N acetyl muramic acid. This layer is chitin in nature and is strong enough to maintain the shape and size of bacteria irrespective of outer conditions.

The innermost layer of bacteria is cell membrane which is formed of proteins and lipids bilayer and this cell membrane contains different transport for proteins which help in transport of different substances like water and nutrients inside the cell by means of active transport or passive diffusion.

6 0
2 years ago
Read 2 more answers
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