Blood measurements of a marathon runner during a marathon race do not show a similar rise in lactic acid levels because he undergoes mostly aerobic respiration.
What are aerobic and anaerobic respiration?Aerobic respiration is respiration which occurs in the presence of oxygen.
Anaerobic respiration is a respiration which occurs in the absence of oxygen
During aerobic respiration in humans, the end-product is acetylcoA while in anaerobic respiration, the end product is lactic acid.
A sprinter undergoes mostly anaerobic respiration and produces lactic acid, while a marathon runner undergoes mostly aerobic respiration and produces less lactic acid.
Therefore, blood measurements of a marathon runner during a marathon race do not show a similar rise in lactic acid levels because he undergoes mostly aerobic respiration.
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In the 1970s, the U.S. government passed laws to protect the water supply.
Which of the following best describes something these laws were intended to
do?
A. Reduce the amount of pollutants that enter wetlands
о B. Change the types of pollutants that enter wetlands
C. Increase the rate of groundwater flow to flush out pollutants
D. Increase the number of wetlands that can remove pollutants
Reduce the amount of pollutants that enter wetlands best describes something these laws were intended to do. Thus, the correct option is A.
What was the purpose of the Clean Water Act of 1970?The CWA made it illegal to dump any pollutant into navigable waters from a point source unless a permit was obtained:
The National Pollutant Discharge Elimination System (NPDES) permit program of the Environmental Protection Agency (EPA) regulates discharges.Discrete conveyances such as pipes or man-made ditches are examples of point sources.The Clean Water Act establishes the basic structure for regulating pollutant discharges into US waters as well as regulating surface water quality standards. The Federal Water Pollution Control Act, which served as the foundation for the CWA, was enacted in 1948, but it was significantly reorganized and expanded in 1972. With modifications in 1972, the Act's common name became "Clean Water Act."
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Learning Task No. 3: Performance Task Sanitizer/Disinfectant 1. Chlorine 2. lodine 3. Vinegar Advantages 4TH QUARTER LEAP Disadvantages
Answer:
iodine
Explanation:
it has the maximum potential for the Chemical to leak down.
what is climate change and how does it affect us
Answer:
hotter temperatures, increases storms, increases drought
Answer:
As greenhouse gas they trap the sun’s heat. This leads to global warming as called climate change if effects us by getting the earth hotter and hotter slowly getting more and more every year making ice that was there before for years now is gone
Hope This Helped
which statement concerning the evolution of species A,B,C,D and E is supported by the diagram below
1) Species B and C can be found in today's
environments.
2)
Species A and D evolved from E.
3) Species A and C can still interbreed.
4)
Species A, B, and E all evolved from a common
ancestor and all are successful today.
Why is our year approximately 365 days long?
Choose 1 answer:
This is how long it takes Earth to travel once around the sun.
This is how long it takes the sun to travel once around Barth.
This is how long it takes the universe to travel once around Earth.
Answer:
this is how long the universe to travel around the earth once
A rabbit is eating leafy plants on a sunny day. What is happening to the
carbon in the plants and in the rabbit?
The carbon in the plants and the rabbit is : Moving in and out simultaneously
The carbon cycleThe carbon cycle explains the reusing of carbon atoms which enters the earth from the atmospheres and its movement back to the atmosphere ( reuse ).
As the rabbit eats from the leafy plant the carbon it absorbs from the consumption of the plants enters into the atmosphere simultaneously. while as the leafy plants loses its carbon to the rabbit, carbon is added to the leafy plants from the atmosphere.
Hence we can conclude that The carbon in the plants and the rabbit is : Moving in and out simultaneously
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Which is the genotype of the sweet pea? heterozygous dominant heterozygous recessive homozygous dominant homozygous recessive
Heterozygous dominant is the genotype of the sweet pea. thus option A is correct.
What do you mean by genotype?The genetic foundation of a certain trait is called an organism's genotype. While an organism's phenotype refers to its outward appearance.
When an organism has two copies of the same dominant allele, it is said to be homozygous dominant.
The identical recessive allele is present in two copies in a homozygous recessive organism.
An organism is said to be heterozygous if it possesses both the dominant and recessive alleles of a gene.
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Which is the genotype of the sweet pea ?
A. heterozygous dominant
B. heterozygous recessive
C. homozygous dominant
D. homozygous recessive
Answer: C. Homozygous dominant
I just took the test
what is the main purpose of the primary election
Answer:
the main purpose of the primary election is to get new people in office with new rules
Explanation:
Wats da answer bc I’m confused
Answer:
A. Cell
B. Organ
C. Tissue
Explanation:
cell: The smallest unit of life capable of independent reproduction. Generally contains nucleic acid, cytoplasm, a cell membrane, and many other proteins and structures.
organ: A structure made of different tissues that work together to perform physiological functions.
Tissues: A group of similar cells with the same origin that work together to perform the same function.
Which of the following is a good way to analyze data?
A. Check over it and then copy it.
B. Try to find some way to make it support your hypothesis.
C. Organize it into charts, graphs, do calculation if necessary.
D. Put it away for a few months to see if it makes more since later.
In my opinion the best way to analyse data is to organise them into charts, graphs and do calculations if necessary. Because, that method would be easier handle data.
[tex]\large{\underline{\underline{\pmb{\frak {\color {red}{Question:}}}}}}[/tex]
[tex] \sf\red{which \: of \: the \: following \: is \: a \: good \: way \: to \: analyze \: data}[/tex]
[tex]\large{\underline{\underline{\pmb{\frak {\color {blue}{Answer:}}}}}}[/tex]
[tex]\huge\pink\star[/tex]C. Organize it into charts, graphs, do calculation if necessary. Option (C) is correct.
[tex] \boxed{ \huge\frak \red{brainlysamurai}}[/tex]
In the harmful dysfunction definition of psychological disorders, dysfunction involves ________.
Answer:
the inability of an psychological mechanism to perform its function
Explanation:
36. What are the two smaller tubes that branch off of the trachea?
O epiglottis
O diaphragm
Obronchi
O tongue
Answer:
The answer is Bronchi
Explanation:
The Trachea is divided into two smaller tubes called the bronchi, one for each lung.
White eye color is an x-linked trait in one line of fruit flies. White eyes is recessive to red eyes. If a red-eyed female and a white-eyed male are crossed, _______.
Shelter, food and water are:
A:Limiting Factors.
B:Food Chains
C:Biotic Factors
D:Carrying Capacity
Answer:
A
Explanation:
These are all limited in an ecosystem, and if there isn't enough, it limits the growth of a population. All of these are abiotic factors, not biotic. Shelter has nothing to do with food chains.
Hope this helps!
4. Which of the following is a parasite?
(a) Mushroom
(b) Fungi
(c) stem
(c) Cuscuta
(d) haustoria
(d) Rhizobium
Answer:
C: Cuscuta is a parasite .
Explanation:
Mushrooms are a part of the fungi domain meaning that it is a decomposer. I'm not too sure whether it means stem body cells or a stem in a plant. Either way both are not parasites. Cuscuta is a plant that does not have chlorophyll (they can't carry out photosynthesis) and since this plant cannot make its own food, it feeds off a host plant that can make food. An organism that needs a host to survive is called a parasite. Haustoria is a part of some parasites however it itself is not one. And finally Rhizobium is a bacteria that converts Nitrogen into ammonia which helps plants.
Sorry about the bad english. Hopefully this kinda helps
Which of the following statements is true about cellular respiration?
It converts energy into food.
it breaks down good to realse energy.
it turns carbon dioxide into water
it turns water into carbon dioxide
how has climate change over geological time and how may it change in the future?
Answer:
Climate has generally changed from warm to cool globally mostly because of glaciers. Our climate can be changed in the future by the glaciers, also. Think about it this way, glaciers in the south pole melt, and the sea levels rise. Wind currents shift the glaciers and ice shelves, so they break. This will cause the world to overheat, and sea levels to rise. That's how our climate has and will change over time.
How do humoral and cell mediated immunity help each other
Please help me thanks
Humoral immunity protects the body against extracellular pathogens and Cell mediated immunity protects the body from intracellular pathogens .
Humoral immunity: It is the process adaptive immunity manifested by the production of antibodies by B lymphocytes. It develops the bone marrow. B cells may be trigged to proliferate into plasma cells.
Cell mediated immunity: Cell mediated immunity is an immune response that does not involve antibodies but rather involves the activation of macrophages and NK cells.
Humoral immunity and cell mediated immunity works together with assistance from helper T cells, B cells.
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Look at the diagram below.
Ray 1 from the Sun moves through air and falls on the surface of a lake. Ray 2 is a ray which travels from the surface of the lake at the point Ray 1 strikes the lake, and moves towards air. Ray 1 and Ray 2 make the same angle with the surface of the lake. Ray 1 bends towards the vertical when it enters the lake as Ray 3
Which statement is correct about Ray 1?
Ray 1 from the Sun is the incident ray which is first refracted and then is reflected off the water surface as Ray 2.
What are rays of light?Rays of light are packets of light which travel together in a straight line.
Light rays just like other waves can be reflected, refracted, diffracted, and polarized.
The ray of light Ray 1 from the Sun is the incident ray.
Ray 2 that leaves the water surface is the reflected ray..
Therefore, Ray 1 from the Sun is the incident ray which is refracted and then is reflected off the water surface as Ray 2.
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Answer: ray 2 is the reflected ray
Explanation:
identify structure one and describe its main function.
identify structure 3 and describe its main function.
30 POINTS
Answer:
number 3 is the central vacuole and its large, membrane-bound organelles found in plant cells that act as a storage space for water and other molecules in the cell
Explanation:
Answer:
3. Vacuole
Explanation:
Plant vacuole is a membrane (tonoplast) bound space which contains sap, water, excretory products and other materials (which are not useful for plants).
It occupies 90% of the volume of the plant cell. Tonoplast, in plants facilitates transport of ion into the vacuole (against the concentration gradient) which causes higher ionic concentration in vacuole than in the cytoplasm.Some other points:-
Amoeba have contractile vacuole for osmoregulation and excretory purposes. Some protists develop food vacuoles by engulfing food particles.Plants must have nitrates to help them grow. what must happen to nitrogen for it to be usable by plants?
Answer:
Nitrogen Fixation
Explanation:
Nitrogen is converted from atmospheric nitrogen (N2) into usable forms, such as NO2-, in a process known as fixation.
Plants must use nitrates in a form of nitrogen, which is needed to make proteins for healthy growth.
What impact on plants due to depletion of nitrates or nitrogen?Nitrate plays a very important role in our ecosystem such that due to presence of nitrogen plants grow fastly and produce fruits of bigger size flowers too.
Plants absorb nitrates from water through their roots without nitrates, the amount of chlorophyll in leaves reduces.
Nitrate is a common inorganic ion found in plants which is required for proper growth and development of the plant and growers include the percentage of nitrates in their nutrient requirement to starts plant growth. Plants acquire nitrate through root intake from the soil and water around them.
Hence due to decreasing percentage of nitrogen plants are getting yellowed it means it produces smaller fruit.
In modern era farmers add nitrogen containing fertilizers which produce large amount of grains, foods and fruits which is also diseases free.
Therefore,Plants must use nitrates in a form of nitrogen, which is needed to make proteins for healthy growth.
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the periodic table contains a lot of information in it. with the help of that information calculate the number of neutrons present in non-metallic elements of the periodic table.
Answer:
No. of neutrons = mass no. - atomic no.
Explanation:
I hope it helps u dear! ^_^
write 7 differences between cell and virus.
Hey there! Here are 7 differences between a cell and a virus:
A cell is a significant structural and functional unit of all living organisms. Instead, a virus is an infectious agent that is considered non-living. The cell is a living component, unlike a virus that is a parasite. Cells are present in a living form, on the other hand, the virus is present in both living and non-livingA virus doesn’t contain any kind of cytoplasm, cell wall, cell membrane, ribosome or mitochondrion, whereas a cell contains all of these (depending on what kind of cell it is). Many viruses do not even have a membrane, often formed of only a protein capsid containing the DNA or RNA based genome. Cells can exist independently like bacteria or can be as a part of larger organisms like our own cells in the body. Viruses on the other hand are non-living infectious particles that are dependant on a living host to reproduce.Cells reproduce through binary fission and mitosis or meiosis. When a virus replicates, it uses lytic fission to do itVirus particles are slightly smaller than a cell.Hope this helped. Explanations and examples are included within the points.
- profparis
what does it mean when a plant photosynthesizes at maximum speed?
Answer:
High stomatal conductance
Explanation:
Plants with a high photosynthetic capacity have a high stomatal conductance, in the absence of environmental stress (Reich et al., 1999, 1997). This enables plants with a high photosynthetic capacity to gain carbon rapidly, at the cost of high rates of water loss.
Which of the following is a main point of cell theory?*
a. All living cells are eukaryotes.
b. All cells come from other cells
c. The atom is the smallest unit of life.
d. Cells can spontaneously generate from organic molecules.
Answer:B
Explanation:
when dust and ash parties from volcanic eruption
Answer:
This is called a volcanic winter.
Explanation:
The reason why it is called a volcanic winter, is because in winter, it is colder than the other seasons, but, here's the difference. A volcanic winter is because sunlight is blocked, and a regular winter is when the earth is tilted in a place where the area is not being shined on by the sun.
THANKS FOR LETTING ME HELP!!!
Explain how the human immune system responds to a viral infection.
What is global wind and how do winds help humans travel?
Global winds are winds that appear in belts that go all around the world. Like local winds, global winds are driven by unequal heating of the atmosphere. Since global winds blow west to east, it helps humans travel west to east.
How global winds influence climate?
Global wind belts and calm regions have an effect on, is that the berg winds blow from the east and die out as they are available close to the equator.
The westerlies blow from the west and move storms across u. s. The easterlies blow from the east and they cause stormy weather to occur once cold air forms this belt meets heat air of the westerlies.
Thus, this could be the answer.
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Which chromosomal defect is caused when part of a chromosome breaks off and reattaches backward on the same chromosome?
inversion
translocation
deletion
insertion
Answer: (A) inversion
Explanation:
EDGE 2023
1. A hypothesis is a guess - like flipping a coin.
A. False
B. True
2. Identify all the constants needed for this experiment.
A 10 mL of fertilizer
B how often plans are watered
C amount of light
D height of plants
E 200 mL of water
3. What is the variable called that you are changing?
A. Control
B. Dependent
C. Independent
4. In a controlled experiment,
A
a control group is compared to an experimental group.
B
a variable is not needed
C
all factors should be the same.
D
there are only 2 variables.
Answer:
1. false as a hypothesis is an educated guess so
2. share the experiment please
3.independent
4.A