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2 years ago

A barrier separating the cell’s genetic information from the cell’s cytosol.

Biology

1 answer:

malfutka [58]2 years ago

8 0

Answer:

All cells hace a barrier around them that separates them from the environment and from other cell.The barrier is called the plasma membrane,or cell membrane.

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How would the bacteria most likely respond to survive

mezya [45]

Answer:

the respmifuv fded

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Explanation:

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3 years ago

Once a cell enters mitosis, the molecules that activate division must be turned off. what happens to mpf during mitosis? it is c

posledela

I think what happens is that the Cyclin component of the MPF is degraded. MPF or mitosis promoting factor, consists of two important cell cycle regulatory protein called the cyclin and cyclin dependent kinases (CDK). The cdk and the cyclins are the major control switches for the cell cycle, causing the cell to move from G1 to S or G2 to M.

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4 years ago

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Anyone got the answers to the UNIT: UNDERSTANDING ORGANISMS test?

wariber [46]

The Unit 'Understanding organisms' is not found here, but an organism is a biological system composed of cells.

<h3>What is an organism?</h3>

An organism is a living entity that is defined by the presence of cells, which are the basic structural unit of life.

Organisms have the ability to respond to external stimuli, perform metabolic activities and exhibit a internal state of equilibrium (homeostasis).

Organisms can be composed of single cells (e.g., bacteria, protists) or many cells (e.g., plants and animals).

In conclusion, the Unit 'Understanding organisms' is not found here, but an organism is a biological system composed of cells.

Learn more on the organisms here:

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5 0

2 years ago

The nurse should use which needle when administering a nonviscous solution by the intramuscular (im) route for an adult?

Greeley [361]

The most appropriate choice of needle for someone of this size is a 1.5 in, 22 gauge needle. It is important for the needle to be 22 gauge so that it is an appropriate thickness to be injected into the muscle tissue.

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3 years ago

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The highlighted structure separates the oocyte from the externally located ________. zona pellucida primary follicle corona radi

Naya [18.7K]

Answer:

Granulosa cells

Explanation:

Foliculogenesis is a dynamic and complex process through which the follicle goes through many stages of development in a short period (approximately 60 days in humans and some chimpanzees).

The stages classification is based on morphological changes such as follicular size or diameter, the number of follicular cell layers, etcetera. These classifications might vary among authors but could be denominated as:

Primordial follicle

Primary follicle

Secondary follicle and

De Graaf follicles (This is the one shown in the image)

Through each stage, there are certain modifications in the oocyte, follicular cells, and connective tissue. As the oocyte grows, the follicular cells might reach a size twice or three times bigger than the ones of the primordial follicles. Their shape also changes and they adopt an aspect of stratified epithelium. Their cytoplasm gets a granulous aspect, after what these cells receive the name of granulous cells. The De Graaf follicle characterizes for having a space named follicular antro that displaces the oocyte to one of the sides.

The oocyte at this point gets surrounded by zona pellucida and corona radiata .

The follicular antro (The highlighted structure) separates the oocyte from the externally located granulosa cells or follicular cells.

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3 years ago