Biology High School

What physical quantity does symbol I stand for?

Answers

Answer 1

Answer:

Explanation:

ohm's law

V=IR

v = voltage

I= current

R = resistance

Related Questions

what is the main artery that carries blood to your brain

Answers

The answer is the carotid artery’s

The ________ plate method involves spreading an inoculum onto the surface of a plate in a pattern that results in isolated colonies in some areas of the plate after incubation, whereas the ________ plate method involves diluting an inoculum into several melted agar tubes and then adding their contents into plates for solidification and incubation.

Answers

Answer:

Streak, pour.

What bird species was most noticeably impacted by West Nile virus when the virus was first detected? Was this the only bird species affected by the virus?

Answers

Answer:

Mostly crows, robins, and jays were the first of a few bird species impacted by the West Nile Virus when it was detected.

No, there were over 300 species discovered to be affected by the virus, these were just the main ones to be impacted.

what is the transfer of energy in the form of electromagnetice waves

Answers

Answer: Electromagnetic radiation.

Explanation: The transfer of energy by electromagnetic waves is called electromagnetic radiation. Electromagnetic waves can transfer energy through matter or across empty space.

PLEASE ANSWER ASAP

Describe the structures and functions of each of the four groups of macromolecules. (Carbohydrates, Lipids, Nucleic Acids, Proteins)

Answers

Answer:

Nucleic acids: Stores and transfers info.

Carbohydrates; Store energy, provide fuel, and build structure in body, main source of energy, structure of plant cell wall.

Lipid: Insulator and stores fat and energy.

Protein: Provide structural support,transport, enzymes, movement, defense.

put the life cycle of an erythrocyte in order, beginning with their formation in red bone marrow.

Answers

Answer:Correct: 1

Erythrocytes form in red bone marrow.

Correct: 4

Hemoglobin is converted to biliverdin.

Correct: 3

Erythrocytes are phagocytized in the liver and

spleen.

Correct: 2

Erythrocytes circulate for 120 days in the bloodstream.

Explanation:

The life cycle of an erythrocyte (red blood cell) involves several stages. Here's the order of the life cycle, beginning with their formation in red bone marrow:

1. Hematopoietic Stem Cell: Erythrocytes are derived from hematopoietic stem cells in the red bone marrow. These stem cells have the potential to differentiate into various types of blood cells, including erythrocytes.

2. Proerythroblast: Hematopoietic stem cells differentiate into proerythroblasts, which are the earliest precursor cells committed to becoming erythrocytes. Proerythroblasts undergo several divisions to produce cells of the erythroblast series.

3. Erythroblast Stages: Erythroblasts progress through several stages of development, including basophilic erythroblast, polychromatic erythroblast, and orthochromatic erythroblast.

4. Reticulocyte Formation: The orthochromatic erythroblast matures into a reticulocyte. Reticulocytes still contain some organelles but lack a nucleus. They are released into the bloodstream and enter circulation.

5. Circulation: Reticulocytes circulate in the bloodstream for about 1-2 days. During this time, they lose their remaining organelles, and their reticulated appearance disappears as they become mature erythrocytes.

6. Mature Erythrocyte: Reticulocytes mature into mature erythrocytes, which are specialized cells optimized for oxygen transport. Erythrocytes have a biconcave shape, lack a nucleus, and are packed with hemoglobin.

7. Functional Period: Mature erythrocytes have a lifespan of about 120 days in circulation. During this time, they transport oxygen from the lungs to body tissues and carry carbon dioxide from tissues to the lungs for exhalation.

8. Removal: Aging or damaged erythrocytes are recognized by macrophages in the spleen, liver, and bone marrow. These macrophages phagocytose the erythrocytes, breaking them down and recycling their components.

To know more about erythrocyte:

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the plasma membrane of skeletal muscle is called the:

Answers

Answer:

Muscle Fiber or the sarcolemma

Explanation:

which contains sarcoplasm, the cytoplasm of muscle cells.

using the chart at the beginning of the animation and your knowledge of cells, what stage of the cell cycle do most cells spend the majority of their lives?

Answers

look above they are right

if the mass is 90g and the volume is 100 ml what is the density

Answers

Answer:

168.56

Explanation:

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