BIOLOGY HIGH SCHOOL

The final storage of liquid waste for the body:kidneys
bladder
urethra
medulla

Answers

Answer 1
Answer: The final storage of liquid waste for the body is the bladder.
Answer 2
Answer:

Answer: bladder

Explanation: i just took the quiz

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1. An advantage of light microscopes compared to electron microscopes is that light microscopes A)allow you to view living cells, while electron microscopes do not. B)allow you to view the surface of cells in greater detail than electron microscopes. C)have a higher magnification capability because they use natural light. D)have a greater resolution available because they use white light. 2. To study the details of protein molecules on the surface of a cell, a biologist would likely use a A) compound light microscope. B) dissecting microscope. C) scanning electron microscope. D) transmission electron microscope. 3. What would be the magnification of a specimen viewed with a compound light microscope that has an objective power of 40x and an ocular lens power of 10x? (2 points) 40x 50x 400x 500x

Answers

Answer:

1. The correct answer would be  A) allow you to view living cells, while electron microscopes do not.  

There are many advantages of light microscope over electron microscope such as:

  • It is easy to use as compared to the electron microscope.
  • It enables us to view both alive as well as dead specimen whereas electron microscope can be used to view dead specimen only.
  • Light microscopes are much cheaper and have much lower maintenance cost as compared to the electron microscope.

2. The correct answer would be C) scanning electron microscope

Scanning electron microscope or SEM is a type of electron microscope which is used to observe surface topography and composition of the specimen. It can achieve resolution of up to 1 nanometer.

3. The correct answer would be 400x

The total magnification of the microscope can be calculated by multiplying the powers of the objective lens and that of the eye lens.

Thus, the magnification of the specimen would be 40*10 = 400x.

1. The correct answer is A) allow you to view living cells, while electron microscopes do not. Light microscopes use visible light to illuminate specimens, which is less damaging to living cells compared to the electron beams used in electron microscopes.

The electron microscope

2. The correct answer is C) scanning electron microscope. Scanning electron microscopes (SEMs) are commonly used to study the details of protein molecules on the surface of cells. SEMs provide high-resolution images of the surface topography by scanning the specimen with a focused beam of electrons.

3. To calculate the total magnification of a compound light microscope, you multiply the magnification of the objective lens by the magnification of the ocular lens. In this case, the objective power is 40x, and the ocular lens power is 10x. Therefore, the magnification of the specimen viewed with this compound light microscope would be 40x * 10x = 400x. So, the correct answer is C) 400x.

Read more on electron microscope here brainly.com/question/2845212

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How could stem cells prove helpful in the treatment of cardiovascular diseases

Answers

Answer:

Stem cells are self-renewal undifferentiated cells present in the human body. Undifferentiated means that they can divide and differentiate into many cell types of the body depending upon the differentiating potency of the stem cell.

If scientists could regulate the process of differentiation, they can able to differentiate a stem cell into a cell type of interest such as cardiac cell.

These cells are then can be used to replace the damaged or dead cells present in the body.

Thus, it can help in the treatment of diseases such as cardiovascular disease.

stem cell can differentiate to form heart muscle cells.

The diagram shows how light energy from the Sun drives the processes of photosynthesis and cellular respiration. Which statement best describes the relationship between photosynthesis and cellular respiration? A.) The only difference between photosynthesis and cellular respiration is whether the process occurs in plants or animals
B.) Photosynthesis and cellular respiration are competitive processes that require the same reactants to start a reaction
C.) Photosynthesis and cellular respiration are complementary processes that could not occur without one another
D.) The only difference between photosynthesis and cellular respiration is whether or not light is available to start the reaction

Answers

Answer:

The correct answer would be C.) Photosynthesis and cellular respiration are complementary processes that could not occur without one another.

Photosynthesis is the process by which green plants convert sunlight into chemical energy or food or glucose.

It produces glucose or food from simpler substances like carbon dioxide and water in presence of sunlight and chlorophyll.

The overall reaction can be written as:

6CO₂ + 6H₂O + sunlight → C₆H₁₂O₆ + 6O₂

In contrast, the cellular respiration converts the chemical energy of the food into ATP (adenosine triphosphate).

It oxidizes glucose completely in presence of oxygen to produce carbon dioxide, water, and energy (approximately 36-38 ATP).

It takes place in almost all organism including plants.

C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + energy (ATP)

Thus, we can say that photosynthesis and cellular respiration are complementary to each other.
the answer is C - Photosynthesis and cellular respiration are complementary processes that could not occur without one another

What do bacteria have in common with the cells of other living organisms

Answers

Answer:

Bacteria and other living cells have some universal features that are, they are present in all the living cells.

These features include:

Plasma membrane: The lipid bilayer which separates the cell from the external environment. It is present in all the living organism.

Cytoplasm: It is a gel-like substance present within the plasma membrane of the cell (excluding nucleus). It contains and supports all the cell organelles and cell parts.

Ribosome: It is a vesicular structure made up of protein and ribosomal RNA. It is the main site of protein synthesis in all the cells. Prokaryotes generally contain 70S ribosomes and eukaryotes generally contain 80S ribosomes.

Genetic material: All the living organisms contains genetic material (usually DNA) either confined in the nucleus or floating freely in the cytoplasm.
They have ribosomes.They contain cytoplasm.
Some things bacteria have in common with cells of other livingorganisms is they both have chromosomes, they both have organellesand a nucleus, and are alive.


This should help! :)

Which of the following is an example of gene flow?

Answers

When the genes propagate from one area to another. 
The founder effect happens when genetic diversity declines due to an external larger group of organism invades a set of current living population. An example of this process is when the British colonies invaded the Mesoamerican continent where native americans lived and were outrun by the British colones, especially since many wars were made and ethnic cleansing. 

Answer:

Pollen from a yellow daisy travels across a stream and pollinates an orange daisy.

What option best completes the following sentence?Motion is described with relation to a _________________.


A
displacement

B
distance

C
frame of reference

D
graph

Answers

Answer:

Correct answer is displacement. (A)

Explanation:

You can describe the motion of an object by its position, speed, direction, and acceleration. An object is moving if its position relative to a fixed point is changing. Even things that appear to be at rest move.
Distance or B. Motion is speed and distance I think...
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