The best hypothesis for Jasmine and Paul's experiment is that exercise increase the heart rate.
How the heart rate is affected by exercise?The heart rate is greatly affected by exercise because exercise needs a lot of energy and oxygen and we know that heart is responsible for providing oxygenated blood to the cells and remove waste material from it. When we do exercise our body needs oxygen very quickly in order to produce large amount of energy in the form of ATP. So we can say that exercise increase heart rate.
So we can conclude that The best hypothesis for Jasmine and Paul's experiment is that exercise increase the heart rate.
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what does the word eukaryote mean
Answer:
Well it's a generic term for organisms which possess eukaryotic cells (cells with central nucleus and their plasma membrane)
Answer:
is a living oranism other than the eubacteria and archaea
Explanation:
it consists of cells which genetic materials (DNA) in form of chromomes contained within a distinct nucleus
PLEASE ANSWER THIS I HAVE ONLY A BIT OF TIME LEFT AND PLEASE MAKE A SIMPLE BUT INFORMATIVE FOR THE FIRST QUESTION AND A SIMPLE REASON FOR THE SECOND!!!
describe the relationship between a cell's surface area-to-volume ratio and the transport of wastes from inside the cell to the outside environment.
AND
If a cell's surface area-to-volume ratio increased from 3:1 to 4:1, what impact would that have on the transport of materials across the cell membrane?
A. It would be unchanged
B. Transport would increase
C. Transport will decrease
D. None of the above
Answer: b
Explanation:
I need help with this question. I don't get it. Can someone please help me?
Magnification can help by observing microscopic objects.
What is magnification?When it comes to optics, magnification refers to how big a picture is in comparison to the thing that created it. The ratio of the image length to the object length as measured in planes perpendicular to the optical axis is referred to as linear magnification, also known as lateral or transverse magnification.
An inverted picture is represented by a linear magnification value of zero. As measured all along the optical axis, longitudinal magnification is the amount by which an image grows in size. When measured from a specific point in the instrument, as is the case with magnifiers and binoculars, the ratio of the digressions of the angles separated by an object and its image is known as angular magnification.
Therefore, magnification can help by observing microscopic objects.
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Endocrine glands secrete their products into ___; exocrine glands secrete their onto ___.
The endocrine glands secrete their products into intracellular spaces and the exocrine glands secrete their products into ducts/surface
Endocrine glands are network of various glands in your body that produce and secrete chemicals known as hormones. They are ductless glands. Therefore, the hormones that are produced by them would be secreted directly into the intracellular spaces which would diffuse into the bloodstream and reach the cells in the body.
The glands in various location in human body that are responsible for the production of hormones are Pituitary, Pineal, Pancreas, Hypothalamus, Thyroid, Adrenal, Testes and ovaries.
Exocrine glands are network of glands that secrete the compounds produced by them into ducts. These ducts carry the products to the surface and release them. Sweat glands, Salivary glands, sebaceous glands, Lacrimal glands are some of the exocrine glands.
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The krebs cycle produces atp, nadh, fadh2, and releases ______, which contains the carbon atoms remaining from the original 6-carbon glucose molecule.
The Kreb's cycle produces ATP, NADH, FADH₂ and releases CO₂, which contains the carbon atoms remaining from the original 6-carbon glucose molecule.
The Kreb's cycle, also called the citric acid cycle, or TCA (Tricarboxylic acid) cycle is a series of reactions that are catalysed by enzymes and occur in the matrix of the mitochondria. In the reaction, acetyl-CoA, the end product of glycolysis gets oxidized and produces ATP, high energy compounds - NADH and releases CO₂ as a by-product.
The Krebs cycle is the second stage of cellular respiration. The first stage of cellular respiration is glycolysis, which occurs in the cytosol of the cell. In glycolysis, one glucose molecule undergoes partial oxidation to give two pyruvate molecules. The pyruvate molecules undergo further oxidation in the matrix of the mitochondria to produce acetyl-CoA. Here, glycolysis ends, and the Krebs cycle begins.
The two molecules of acetyl-CoA formed from the pyruvate molecules then enter the Kreb's cycle. Acetyl-CoA is combined with oxaloacetate, a four-carbon compound, and produces ATP, NADH, FADH₂ and 2 molecules of CO₂ as by-product.
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In the electron transport chain, a molecule of quinone receives an electron from fmn (also known as complex 1) and becomes a molecule of quinol. which is the reduced form of the molecule?
The NADH transfer the electron to the first complex1.The electron then move through a series of iron sulphur protein and reducing it to QH2 called as quinol.
What is an electron?An electron is a negative charges subatomic particle that can exist either free or bonded to an atomic (not bound).. One of the three main types of particles within an atom is an electron that is bonded to it; the other two are protons and neutrons.
How many electrons do atoms contain?The number of electron shells is equivalent to the atomic quantity of an element for neutrally charged species. This shows that an element's protons and electrons are distributed equally.. Consequently, there are 8 electrons in oxygen.
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Predict what happens to cell membrane composition in the brain of a wolf living in yellowstone national park with hot summers and cool winters.
Seasonal changes will not affect the fatty acid content of the cell membranes.
Cell Membrane- All cells have a cell membrane, also known as a plasma membrane, which divides the inside of the cell from the external environment. A semipermeable lipid bilayer makes up the cell membrane. The movement of materials into and out of the cell is controlled by the cell membrane.
Fatty Acid Content in Cell Membrane- When operating alone or as a component of other molecules, fatty acids (FA) have a variety of roles in cells, including those of the structural "building blocks" of cell membranes as well as those of energy and signaling molecules. Either external sources or de novo FA synthesis provide the cells' FA.
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If heavy exercise produces lots of co2 in the body, will the blood become more acid or more basic?.
Yes, the blood become more acidic during the heavy exercise because of the production of CO2 in the body.
Acidic Blood- Exercise that is vigorous will drop blood pH and increase blood acidity. This happens because during intense activity, muscle cells are compelled to engage in anaerobic respiration. Lactic acid is a byproduct of this kind of cellular respiration. The blood's pH level will decrease in the influence of this acid.
Anaerobic respiration- It's a process that happens without any oxygen gas. In this mechanism, glucose is broken down to provide energy without the need of oxygen. The fermentation of yeast is among the greatest illustrations of anaerobic respiration.
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Which term matches this definition?
membrane-bound organelle in the center of
a plant cell that stores water and nutrients
A. cell membrane
B. cytoplasm
C. ribosome
D. central vacuole
D. Central vacuole
Suppose a 0.1M solution of a monosaccharide contains 1000 monosaccharide
molecules. How many monosaccharide molecules would be in a 0.1 M
solution of a disaccharide?
0.1 M solution of a disaccharide solution will contain 2000 monosaccharide molecules.
What are monosaccharides?Monosaccharides, also known as simple sugars are the simplest monomers of carbohydrates which may either be 3 carbon, 4 carbon, 5 carbon, 6 carbon or 7 carbo compounds.
There are two types of monosaccharides;
aldoses sugars, e.g. glucose, andketose sugars e.g. fructose.When two monosaccharides are linked together by glycosidic bonds to form a single compound, the compound formed is called a disaccharide.
Considering the give question:
Suppose a 0.1M solution of a monosaccharide contains 1000 monosaccharide molecules. How many monosaccharide molecules would be in a 0.1 M solution of a disaccharide.
The number of monosaccharides molecules present in the 0.1 M solution of a disaccharide is determined as follows:
1 disaccharide molecule contains 2 monosaccharide molecules
0.1M solution of a monosaccharide contains 1000 monosaccharide molecules.
0.1 M solution of a disaccharide will contain 2 * 1000 monosaccharide molecules
0.1 M solution of a disaccharide will contain = 2000 monosaccharide molecules.
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I will mark you the Brainliest! What do they talk about on module 1 biology DBA?(9th, ASU Prep)
Answer:
If there's not a study guide, try going over your notes. Typically teachers let you choose what you talk about, but I'm in flvs. It's been a while since I've been in bio, but you got it. (last year) it's not as scary as you think. You can always look at the lesson while yall talk!
Explanation:
Hope this helps and good luck!
Answer:
There are quizlet flash cards you can use, sadly i cant put the link for you bc it wont let me.
The compounds in biological membranes that form a barrier to the movement of hydrophilic materials across the membrane are.
The compounds in biological membranes that form a barrier to the movement of hydrophilic materials across the membrane are lipid.
Biological Membrane- A biological membrane, also known as a bio membrane or cell membrane, is a selectively permeable membrane that divides a cell's interior from its surroundings or establishes intracellular compartments by acting as a wall between different parts of the cell.
Hydrophilic- Being highly affine to water is referred as as being hydrophilic. Hydrophilic substances quickly dissolve into water and are soluble in it.
Membrane Lipid- Lipids serve as crucial membrane structural elements, signaling molecules, chemical markers for particular membranes, and energy storage molecules.
The given question is incomplete, find below the complete question,
Q. The compounds in biological membranes that form a barrier to the movement of hydrophilic materials across the membrane are
a. integral membrane proteins.
b. carbohydrates.
c. lipids.
d. nucleic acids.
e. peripheral membrane proteins.
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State the duration of insolation at the following latitudes:
a. Equator (0 degrees)
b. New York (42 degrees North)
c. North Pole (90 degrees North)
d. South Pole (90 degrees South)
Symbiotic relationships are always between a plant and an animal.
true
false
Answer:
False
Explanation:
because sometimes symbiotic relationships are seen as plant and plant or animal and animal
Imagine a company that sells robots like the one shown above. The company makes this claim: “This living machine is the perfect companion.” Make a case to either support or refute this claim. How similar are living and nonliving systems?
This is a perfect example of artificial intelligence and machine learning.
What is artificial intelligence?
Artificial Intelligence (AI) is intelligence exhibited by machines, as opposed to natural intelligence demonstrated by animals and humans. Artificial intelligence research is described as the study of intelligent agents, which refers to any system that observes its surroundings and performs actions that optimize its chances of success.
The following are some similarities between living and nonliving objects: both living and nonliving things have mass.
They both take up a considerable amount of room.
They are both made up of fundamental components (cells for living, particles for nonliving things).
Both may be transported at the expense of energy.
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The area of the brain stem that is important in controlling breathing is the? a. suprachiasmatic nucleus b. cerebellum c. limbic system d. medullae. hippocampus
Answer:Medullae
Explanation:Midbrain,pons and medulla oblongata are collectively called the brain stem.The bottom part of the brain stem helps regulating automatic functions such as breathing,heartbeat,blood pressure,respiration and swallowing.
This is the most diverse of all the marine ecosystems. This marine ecosystem not only includes great biodiversity but at least one quarter of all ocean species depend on it for food and shelter. What is this marine ecosystem?.
This is the most diverse of all the marine ecosystems. This marine ecosystem not only includes great biodiversity but at least one-quarter of all ocean species depend on it for food and shelter. This marine ecosystem is the coral reefs.
According to studies, coral reefs are thought to have the most diverse species in the field of ecology. Coral reefs' rich biodiversity contributes to the sustainability of ocean life. Numerous polyps, which are thousands of coral reefs found underwater, support other aquatic species in a variety of ways.
The zooxanthella, a relationship between the polyps and algae, is found inside each polyp. This alga triggers photosynthesis, which produces food for the polyp and other marine species. In addition to providing humans with many other benefits, coral reefs also clear land for them. Since coral roofs have the greatest biodiversity, they benefit other organisms in a variety of ways.
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A student has a pure culture of bacteria growing in a flask and wants to know how many living cells are in the culture at a given time. Which method should she employ to get an estimate?.
A student has a pure culture of bacteria growing in a flask and wants to know how many living cells are in the culture at a given time. Plate counting is the method should she employ to get an estimate.
It is a technique to determine the number of living cells in a sample using different steps.
The sample (1g) is first diluted with a suitable diluent (9g) and then mixed together. This solution is then added to another (9g) diluent. It is repeated to get a number of series.
The sample is then plated on an agar plate. These plates are then moved to an incubator at a suitable growth temperature.
We then calculate the plates having colonies between 50-300. Now we have to calculate the number of organisms that were in the original sample.
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Which of the following would be a good example of responsiveness to your environment?
You are scared of the dark.
You are scared of the dark.
You are tired at the end of the day.
You are tired at the end of the day.
You are hungry several hours after breakfast.
You are hungry several hours after breakfast.
You are taller now than when you were a baby.
A good example of responsiveness to your environment is: You are scared of the dark; option A
What is responsiveness to the environment?Responsiveness to their environment is one of the characteristics of living things. This characteristic is known as irritability, which is the response to stimuli from within the organism or the outside environment.
When an organism responds to stimuli, it could show an immediate or delayed response to the stimuli. For example, plants show a delayed response to environmental stimuli whereas animals show an immediate response to external stimuli.
An example of a response to changes in the environment is being scared when it gets dark.
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Enzymes that control chemical reactions are a type of macromolecule known as-
A. carbohydrates.
B. lipids.
C. nucleic acids.
D. proteins.
Answer:
D proteins is the correct answer
The growth characteristics of a bacterial culture streak on an agar slant will not be the same as if the streak were on an agar plate. True or false?.
The growth characteristics of a bacterial culture streak on an agar slant will not be the same as if the streak were on an agar plate statement is false.
Bacterial Culture- A microbiological culture, also known as a microbial culture, is a technique for growing microbial organisms in a controlled laboratory environment while allowing them to reproduce in a predefined culture media. In molecular biology, microbial cultures are fundamental diagnostic techniques that are employed as research tools.
Agar Plate- Agar and several nutrients are present on a Petri dish known as a "agar plate" (food for the microorganisms). It's employed to cultivate microorganisms.
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Diseased animal cells may produce molecules that activate death cascades to kill the cells in a controlled manner. Why would neighboring healthy cells also die?.
Answer:
neighbouring healthy cells will die when molecules activate death cascades because the death molecule passes through gap junctions.
What is the name of the network of proteins that gives support to a cell and allows movement?
Answer:
that would be the cytoskeleton
Explanation:
the enzymes that splice the introns out of the initial mrna strand are . rna polymerases small nuclear ribonucleoproteins proteasomes messenger rna molecules
The enzymes that splice the introns out of the initial mRNA strand are proteasomes
The proteasome is a highly sophisticated the protease complex designed to carry out the selective, efficient and the processive hydrolysis of the client proteins. It is also known as to collaborate with the ubiquitin, which was polymerizes to form the marker for the regulated proteolysis in the eukaryotic cells. the Proteasomes are the protein complexes which was degrade unneeded or the damaged proteins by the proteolysis, a chemical reaction that may breaks the peptide bonds. Enzymes that can help such as reactions are called as proteases.
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the ultimate measure of a man is not where he stands in moments of comfort and convenience but where he chooses to stand at time of challenge and controversy agree or disagree
This quote was given by martin Luther king " The ultimate measure of a man is not where he stands in moments of comfort and convenience but where he chooses to stand at the time of challenge and controversy agree or disagree.
Who is martin Luther?The ultimate test of a man, according to Martin Luther King Jr., is not where he stands in moments of convenience and comfort but rather where he stands in situations of challenge and controversy.
According to this saying, a man's genuine character and personality are only shown in difficult situations and when they are put under strain.
Martin Luther King Jr. uses the words controversy and challenges to be more explicit about the types of fights he is speaking to the people about. A controversy is an argument that an opposing party or big group of people strongly disagree with.
Therefore, This quote was given by martin Luther king " The ultimate measure of a man is not where he stands in moments of comfort and convenience but where he chooses to stand at the time of challenge and controversy agree or disagree.
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Which of the following statements about a
controlled experiment is true?
a. All the variables must be kept the same.
b. Only one variable is tested at a time.
c. Scientists always use controlled experiments.
d. Controlled experiments cannot be performed
on living things.
Answer: The controlled experiments are performed by the scientists when they want to study the changes in the sample by changing a single variable. So, the correct answer is option (b).
Explanation:
In case, all variables are kept same, no changes would be observed in the experiment sample. A controlled experiment can be performed on living things as well as non-living. But, controlled experiment cannot be performed on the things which are influenced by a lot of variables, as they cannot create realistic results. So, the option (a), (c), and (d) are incorrect.
Define the words cell.
Answer:
the word cells are called cells because cells are cells so cells have to be cells so to get cells you have to add cells and then subtract cells then add cells again to give you sales
Answer:
the smallest structural an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane. Microscopic organisms typically consist of a single cell, which is either eukaryotic or prokaryotic.
Explanation:
Hope it helps! =D
3. Would you expect organisms belonging to the same class to have fewer structural characteristics in common than organisms belonging to the same order? Explain.
The organisms belonging to the same order will share more structural similarities than the organisms belonging to the same class. It is because order is a lower group in taxonomic classification.
What is taxonomy?Taxonomy is the systematic and scientific approach of grouping things based on their similarities. Taxonomy provides hierarchical classification of the things.
Taxonomy contains seven basic elements in which the organisms are grouped into. Species form the unit level of taxonomy. Genus, family, order, class, phylum and kingdom of an organism is included. Kingdom is considered as a superior and diverse group of taxonomy.
Thus, taxonomy is an effective way of representing diverse information of organisms in an organized way.
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A swimmer sprints a short distance for a competition. The swimmer is not able to take in enough oxygen to make the ATP needed for the sprint. Which of the following processes is most likely going to occur in the swimmer's muscle cells during the competition? (4 points)
1. A protein acts as a channel to allow large, hydrophilic molecules to diffuse across the cell membrane.
2. A protein acts as a pump and moves calcium ions from an area of low concentration to an area of high concentration.
3. The cell membrane folds to surround a substance and bring the substance inside the cell during exocytosis.
4. Water moves by osmosis from higher concentration to lower concentration by passing through proteins called aquaporins.
The process that is most likely going to occur in the swimmer's muscle cells during the competition is C. The cell membrane folds to surround a substance and bring the substance inside the cell during exocytosis.
How to illustrate the information?The main molecule for storing and transferring energy in cells is adenosine 5'-triphosphate (ATP). It is frequently referred to as the cell's energy currency and is like the money that is kept in a bank.
The ATP (Adenosine triphosphate) will be impaired if the swimmer is unable to breathe in enough oxygen to power through the sprint. The body will employ anaerobic respiration to make ATP under these circumstances. Without oxygen, anaerobic respiration takes place. In the respiratory cycle, it substituted the electron acceptors for oxygen. However, anaerobic respiration produces less ATP than aerobic respiration.
Therefore, the cell membrane folds to surround a substance and bring the substance inside the cell during exocytosis.
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what causes lighting