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3 years ago

Design an experiment to find a temperature at which a meat tenderizer works the best

1 answer:

3 0

In order to determine this, we will require some pieces of meat, preferably taken from the same animal and from the same area and of similar size. After the pieces of meat are obtained, they are sealed in a container with equal quantities of meat tenderizer. Then, keep the containers in different temperatures.
After fixed time intervals, say 3 hours, record the appearance and texture of the meat. Repeat this until readings for 5-6 time intervals have been obtained.

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Cuales son las partes de la celula en la biologia???

DaniilM [7]

Explanation:

The cell is the fundamental unit of life. It is made up of different organelles located on the cytoplasm.

Plant cells differs uniquely from animal cells in a number of ways but generally cells shares close similarities. Some part of cells are:

Nucleus
Cytoplasm
Vacuole
Food vacuole
Chloroplast
Golgi apparatus
Mitochondria
Cell membrane
Cellulose cell wall
Endoplasmic reticulum
Ribosomes

Learn more:

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6 0

3 years ago

What is phagocytosis? It is a type of endocytosis in which a cell engulfs a particle in a vacuole. It is a type of exocytosis in

Radda [10]

Answer:

It is a type of endocytosis in which a cell engulfs a particle in a vacuole.

Explanation:

There are 2 processes by which cells uptake and release materials.

These are:

Exocytosis
Endocytosis

EXOCYTOSIS:

It is a process by which cells release materials inside them to the external environment.

ENDOCYTOSIS:

It is a process by which cells bring materials inside them from the external environment. It is the opposite of exocytosis.

Endocytosis is of different types including phagocytosis, pinocytosis and receptor-mediated endocytosis.

PHAGOCYTOSIS

Phagocytosis involves the phenomenon in which a cell engulfs a particle in a vacuole. The particle may be a disease causing microorganism, or cell of the body. This process can be conceptualized as "cellular eating".

EXAMPLE:

Macrophages consuming bacterium Mycobacterium tuberculosis is an example of phagocytosis.

PINOCYTOSIS:

It is the process by which cells uptake liquid substances. It can be thought of as "cellular drinking"

RECEPTOR-MEDIATED ENDOCYTOSIS:

It is a process by which cells uptake hormones, metabolites and other substances. It is performed by cells which possess a receptor for that substance. It involves the inward invagination of cell membrane after the binding of substance and its receptor.

Coming back to answer choices,

It is a type of endocytosis in which a cell engulfs a particle in a vacuole.

This is the correct answer choice as it describes the process of phagocytosis.

It is a type of exocytosis in which a cell engulfs a particle in a vacuole.

This is the wrong answer choice as phagocytosis is an endocytic process.

It is a type of endocytosis in which extracellular fluid is taken into the cell in tiny vescicles.

This is the wrong answer choice as this answer choice describes the process of pinocytosis and not phagocytosis.

It is a type of exocytosis in which extracellular fluid is taken into the cell in tiny vesicles.

This is the wrong answer choice. It does not describe phagocytosis. Phagocytosis is an endocytic process and involves the internalization of cells and pathogens.

3 0

3 years ago

Why is DNA considered a polymer?

atroni [7]

DNA is considered as a polymer because it is made up of so many nucleotides ( 1 nitrogenous base + 1 pentose sugar + 1 phosphate group = 1 Nucleotide ) joined together through phosphodiester bonds . So DNA is a polynucleotide chain

8 0

3 years ago

Not all lipoproteins suppress HMG-CoA activity when supplied in culture medium. For example, HDL was not effective, but LDL was

Tems11 [23]

Answer:

The latter concept provides the mechanism by which statins selectively lower plasma LDL, In patients with FH, the concentration of cholesterol in blood is elevated many. Not all lipoproteins could suppress HMG CoA reductase activity. The high affinity action of LDL suggested that a cell surface receptor was involved.The discovery of the LDL receptor: Clues to receptor-mediated endocytosis, lipoprotein particles, low density lipoprotein (LDL) and high density lipoprotein (HDL).

Explanation:

6 0

3 years ago

After the paramedic relives you of your task, you offer to assist the aemt. He tells you is clearly having difficulty establishi

VladimirAG [237]

You should not engage calmly speak to the AEMT about the situation after the call.

<h3>What is Paramedic?</h3>

A qualified healthcare professional, a paramedic can specialize in clinical practice, education, leadership, and research.
They operate independently in a variety of health and care settings.
Not all people working in ambulances are paramedics.
There may be a formal distinction between paramedics and emergency medical technicians (or emergency care assistants) in some English-speaking nations, with paramedics having higher educational standards and a wider range of practice.
The phrase "paramedic" combines two words. The words "para" and "medic" both refer to doctors.
It follows that although not always physically, paramedics collaborate with doctors. Until they can reach a doctor, they can give someone life-saving care.
Despite the fact that many EMTs go on to become paramedics, paramedics are not Emergency Medical Technicians.

Learn about paramedic here

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8 0

2 years ago