Answer:
The oxygen molecule enters the human body from the mouth or nose and reaches the phraynx and then the larynx, trachea and the bronchus. It then enters the lungs which then the red blood cells takes the oxygen from the blood and carries it to the muscle in the arm.
The pathway of an oxygen molecule from the air outside your body to a muscle cell in your arm involves several sequential steps, including inhalation, gas exchange in the lungs, transportation through the bloodstream, and diffusion into muscle cells.
During inhalation, you breathe in air through your nose or mouth. The air travels through your respiratory system, passing through the trachea (windpipe) and into the bronchi, which branch into smaller tubes called bronchioles. Eventually, the inhaled air reaches the alveoli, tiny air sacs located at the end of the bronchioles in the lungs.
In the alveoli, oxygen molecules diffuse across the thin walls of the air sacs and into the surrounding capillaries. Oxygen diffuses from an area of higher partial pressure (in the alveoli) to an area of lower partial pressure (in the capillaries). Hemoglobin, a protein within red blood cells, binds to the oxygen molecules in the capillaries, forming oxyhemoglobin.
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Que aumento se tiene de una muestra que se observa con un ocular de 10 y un objetivo de 40?
a) 640 b) 1040 c) 400
Answer:
C
Explanation:
the failure of sister chromatids to separate during meiosis is called:
Answer:
Nondisjunction in Meiosis: Nondisjunction occurs when homologous chromosomes or sister chromatids fail to separate during meiosis, resulting in an abnormal chromosome number.
An elk herd is observed over many generations. Most of the full-grown bull elk have antlers of nearly the same size, although a few have antlers that are significantly larger or smaller than this average size. The average antler size remains constant over the generations. Which of the following effects probably accounts for this situation?
a. directional selection
b. stabilizing selection
c. diversifying selection
d. bottleneck effect
e. Genetic Drift
Answer:
b
Explanation:
which evidence best supports the claim that mutations are a source of inheritable genetic variation
Answer:
Mutations affect protein synthesis which impacts the way traits are expressed
Answer:
Genetic Mutations Produce Variation Quick Check
1. mutations affect protein...
2. substitution
3. substitution
4. food availability
5. two nucleotides are deleted
Explanation:
Did quick check
How does diffusion occur without any Energy?
Answer:
it moves from a stronger region of concentration to a weaker region of concentration so therefore does not call for or require energy
Pathogens that do not usually cause disease unless the host's immune system is weakened or compromised in some way are known as _________ pathogens.
the muscle that originates from the superior surface of the pubis around the symphysis is the
define work , in short answers
A three-paneled painting is called a __________. A. Diptych b. Triptych c. Polyptych.
Answer: B Triptych
Explanation: A three-paneled painting is called a Triptych.
Answer:
b.triptych
Explanation:
correct on ed
what is the other name for the autonomic nervous system?
Answer:
visceral motor system
Explanation:
Another name for the autonomic nervous system is the visceral motor system.
When exponential growth is graphed, the trend line created looks like what letter of the alphabet?
Answer:
Letter J
Explanation:
I learned about this and i vividly remember this fact because it was so random. :)
In chemiosmosis, the most direct source of energy used to convert ADP Pi to ATP is energy released ________.
According to the dihybrid cross below, what proportion of peas would
be green and smooth?
A) 9/16
B) 1/4
C) 3/8
D) 1/16
Answer: is A. 9/16
Explanation:
why it is important to base scientific theories and models on empirical evidence as opposed to other ways of knowing such as religion
Answer:
A theory not only explains known facts; it also allows scientists to make predictions of what they should observe if a theory is true. Scientific theories are testable. New evidence should be compatible with a theory.
Explanation:
the adaption, of Xylem cells is formation of a ________________.
I want the answer of this question please as fast as possible
Answer: The adaption, of Xylem cells is formation of a hollow tube.
Explanation:
I need help asap please
Answer:
A pet exposed to a high level of toxin within a short time may be affected by acute toxicity
the cranial nerve that has three major branches is the
Answer:
trigeminalSource:
Mastering A and P Week 13 Assignment 1 - Quizletthe movement of potassium into an animal cell requires
Answer:
low cellular concentrations of sodium
Rejection of a newly translated organ caused by ..
Answer:
D
Explanation:
Rejection of a newly translated organ caused by development of cancerous cells in the organ
HELP PLEASE SHOW WORK
1. How many grams are there in 2.3 moles of C?
2. How many moles are there in 43 grams of aluminum?
3. How many atoms are there in 100.5 moles of U?
4. How many moles are there in 6.818 x 10 26atoms of Ne?
Answer:
1. 46grams
2. 5moles
3. 476 atoms
4. 6,995,268
Chlorophyll changes ______ energy into ______ energy.
Answer:
Light energy to chemical energy
Explanation:
the conversion of light energy to chemical energy needs chlorofluorocarbon
Help me please!!! Which hot spot is it? Left, 1st middle, 2nd middle, or Right?
Answer:
Left side
Explanation:
The mitochondria
The Krebs cycle or citric acid processes in the mitochondrial matrix yield a substance called NADH. Adenosine triphosphate is then produced from NADH by enzymes included into the mitochondrial inner membrane (ATP).
What is the main role of mitochondria in nutrient energy?Organelles, or “tiny organs,” are what mitochondria are. They generate ATP (adenosine triphosphate), a chemical that is used by the cell to power the various tasks it must perform, as a source of energy.
The creation of cellular ATP by oxidative phosphorylation is undoubtedly one of the activities of mitochondria, but they also play significant roles in ion homeostasis.
Various metabolic pathways, apoptosis and programmed cell death, as well as the production and consumption of ROS.
Therefore, mitochondria transform nutrient material into an energy form that is used by the cell.
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what is the term for a group of different species in a given area?
Answer:
biocoenosis, biotic community, biological community, ecological community, or life assemblage
Explanation:
the movement of potassium into an animal cell requires
The movement of potassium into an animal cell requires the presence of cytoplasmic ATP.
What is ATP?This is defined as Adenosine triphosphate and refers to the energy currency in cells.
Movement of potassium ions across the cell membrane involves the use of cytoplasmic ATP which provides the required energy needed for this metabolic activity.
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what type of muscle tissue is found in the wall of blood vessels
Answer:
cardiac muscle
they are mainly in the walls of the heart. it's contraction pumps blood that allows the heart to beat
Would a plant be able to survive if the ground tissue was damaged? Explain your answer.
Given what we know, we can confirm that with damaged ground tissue, a plant will most likely not be able to survive.
What we know about ground tissues in plants.The ground tissue forms an abundant part of all plant tissues. This tissue includes all plant tissue that is neither vascular nor dermal.This means that ground tissue covers a wide variety of functions. Two primary and important functions are the storage of sugar and water.Therefore, given the vital role of this tissue in plants and its function in storing "food" and water, we can confidently say that a plant with damaged ground tissue will not be able to survive for long.
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Answer:
No, it would not because...
Explanation:
A plant without ground tissue would not be able to survive. The ground tissue serves all types of functions, including photosynthesis, storage, and support. Without any of these functions, a plant can’t grow nor get the nutrient it needs to survive.
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cytochrome c is a protein found in all species, and functions in energy metabolism. the more closely related two different species are,
The more closely related two different species are, the more alike their cytochrome C amino acid sequences are. The cytochrome C is an evolutionarily conserved protein.
The cytochrome C is an evolutionarily conserved protein involved in cellular respiration.
The cytochrome C is a carrier of electrons that acts during the oxidative phosphorylation stage of cellular respiration.
This protein is evolutionarily conserved in species whose cells generate ATP in anaerobic (oxygen presence) conditions, which means that generally synonymous mutations are observed when comparing the amino acids of this protein.
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why is cell division important for unicellular and multicellular organisms
Multicellular organisms need cell division to grow and to replace dead or damaged cells and unicellular cell division is the only way single-celled organisms can reproduce. It means the same as cells died.
How are glucose and ethanol similar in structure and function?
Answer:
Ethanol fermentation, also called alcoholic fermentation, is a biological process which converts sugars such as glucose, fructose, and sucrose into cellular energy, producing ethanol and carbon dioxide as by-products...
Explanation:
Ethanol fermentation, also called alcoholic fermentation, is a biological process which converts sugars such as glucose, fructose, and sucrose into cellular energy, producing ethanol and carbon dioxide as by-products.
how long does it take for a body to decompose to a skeleton
Answer:
In a temperate climate, it usually requires three weeks to several years for a body to completely decompose into a skeleton, depending on factors such as temperature, humidity, presence of insects, and submergence in a substrate such as water.
Explanation: