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Mandarinka [93]
3 years ago
13

Differences and similarities between active transport and facilitated diffusion

Biology
1 answer:
ElenaW [278]3 years ago
3 0
This process is called passive transport or facilitated diffusion, and does not require energy. The solute can move "uphill," from regions of lower to higher concentration. This process is called active transport, and requires some form of chemical energy.
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When looking at groups of cells, which is ordered from smallest to largest?
Sedbober [7]
The smallest item in the list would be organelles. Organelles are tiny structures within a cell, that help it to function. Example of organelles are-- nucleus, mitochondria, cell membrane to name a few. Cells are the basic unit of structure and function of all living things, therefore, cells would have to be placed second. They are microscopic. A group of similar cells that work together to perform a specific function, is known as a tissue. Therefore, tissue is next largest. Examples of tissues include, muscle tissue, epithelial tissue, adipose tissue. When different types of tissues work together to perform a function in the body, this group of tissues forms an organ. An example of an organ is the heart. Inside the heart are many types of tissue-- cardiac muscle,nerve, blood, connective, etc. The job it performs is to pump blood. When various organs work together to perform a specific function in the body, this makes up a system. An example is the circulatory system. In this system are many organs that work together. Arteries, veins, capillaries and heart are all part of the circulatory system. Its job is to circulate blood containing nutrients and oxygen to cells and to pick up cellular wastes. All the systems of the body comprise the organism. An organism is a living thing. It can be as tiny as a microbe, or a complex as a human. When referring to a multicellular organism, the correct order from smallest to largest is-- organelle, cell, tissue, organ, system, organism
4 0
3 years ago
The largest nerve of the highlighted structure is the ________ nerve.
trasher [3.6K]
The largest nerve is the <span>sciatic nerve</span>
6 0
3 years ago
Light colored fur is recessive (bb) to dark colored fur. If 35% of the mouse population is light colored, answer the following:
Travka [436]

Answer:

  1. What percent of the population is BB? (Round to two decimal places)  → 17% BB  
  2. What percent of the population is Bb? (Round to two decimal places)         → 48% Bb  
  3. What percent of the population is bb? (Round to two decimal places)    → 35% bb  
  4. What is the frequency of the single dominant allele B? (Round to two decimal places) → 0.41  
  5. What is the frequency of the single recessive allele b? (Round to two decimal places) → 0.59

Explanation:

Due to technical problems, you will find the complete answer and explanation in the attached files

Download pdf
7 0
3 years ago
8. One of the lowest layers of Earth's atmosphere has undergone a large increase in temperature
Kamila [148]

Answer:

Troposphere is the lowest layer of Earth’s atmosphere that has undergone a large increase in temperature due to the  presence of greenhouse gases.

Explanation:

Troposphere (0 to 12 km) where we live is the lowest layer of earth's atmosphere, which is closest to the earth's surface contains half of the atmosphere. Here most clouds are found and almost all weather occurs. Atmosphere contains approximately 78% of nitrogen , 21% of oxygen and 0.9% of argon. Gases like carbon dioxide, nitrous oxides, methane, ozone and the water vapor constitutes the rest of the atmosphere. Many small particles called aerosols are also there which include dust, spores, pollen, volcanic ash, smoke etc.The greenhouse effect is a natural phenomenon that keeps the temperature on the earth suitable for supporting life. The greenhouse gases includes both natural and man-made gases like carbon dioxide , methane, nitrous oxide, chlorofluorocarbons, hydrochlorofluorocarbons, ozone, water vapour. They absorb radiation in the atmosphere and create the green house effect. The thermal infrared radiation emitted by the Earth’s surface and the atmosphere is absorbed by greenhouse gases. They trap heat within the surface-troposphere system preventing it from escaping back into space. This is called the greenhouse effect, which increases the temperature of the lower atmosphere.The increase in the atmospheric concentrations of greenhouse gases due to human activity has caused an increase in the natural greenhouse effect. As a result, the atmosphere is trapping too much heat which increases the temperature of the Earth.

7 0
3 years ago
The kinesthetic system relies on receptors in the ___________________ to relay information to the brain.
Likurg_2 [28]

The kinesthetic system relies on receptors in the vestibular nerve to relay information to the brain.

<h3>What is vestibular nerve?</h3>
  • The vestibular nerve transmits motion and positional information.
  • The vestibular apparatus, ocular muscles, postural muscles, brainstem, and cerebral cortex all communicate with each other in unison as part of the vestibular system.
  • The vestibulocochlear nerves have two main categories of unique sensory function.
  • The cochlear nerve controls hearing, while the vestibular nerve controls balance and equilibrium.
  • The vestibule and cochlea, which are monitoring receptors in the inner ear, are the origin of the vestibulocochlear nerves.
  • The most likely causes, according to researchers, are viral infections of the inner ear, swelling around the vestibulocochlear nerve, or viral infections that have already spread to other parts of the body.

Learn more about vestibular nerve here:

brainly.com/question/1027272

#SPJ4

8 0
2 years ago
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