Answer:
For the approach of how does pineapple consumption affect the number of digestive bacteria?, pineapple consumption is the independent variable (option B).
Explanation:
The formulation of a hypothesis is not complete without the existence of the independent and dependent variables, the main variables from the research point of view.
The independent variable is one whose change or modification is capable of impacting the dependent variable, which is one that can be quantified or measured.
According to the approach, if somebody want to know how the consumption of pineapple influences the number of digestive bacteria, the independent variable is the consumption of pineapple, which can be controlled and modified, while the characteristic that is under the influence of this variable is the amount of bacteria, so that the latter is the dependent variable.
The other options do not apply because:
The experimental (D) and control (A) groups refer to the population in which the study is conducted. The dependent variable (C), in this case, is the amount of digestive bacteria.Beta receptors:
O are cholinergic.
O bind acetylcholine.
O bind norepinephrine.
O bind the toxin muscarine.
would all changes to a DNA sequence change protein structure and functions?
Answer:
A change in the gene's DNA sequence may lead to a change in the amino acid sequence of the protein. Even changing just one amino acid in a protein's sequence can affect the protein's overall structure and functions..
Explanation:
hope it helps..
How does the water on earth regulate the earth temperature
Answer:
It absorbs a lot of the sun’s energy.
Explanation:
A large portion of the sun’s energy and heat is absorbed by the oceans, which causes water to evaporate. Water has a high heat capacity, and therefore absorbs a large portion of the sun’s heat, regulating the earth’s temperature.
Hormones are proteins that regulate many functions in the body, such as growth and cell differentiation. Which of the following does NOT describe a function of proteins in living organisms?
Answer Options:
Proteins store energy long term, provide lubrication, and insulate the body Proteins in the form of enzymes catalyze chemical reactions Proteins provide structures in the body, such as hair and muscles Proteins in the cell membrane help transport substances into and out of cellsAnswer:
Proteins store energy long term, provide lubrication, and insulate the bodyExplanation:
Proteins store energy long term, provide lubrication, and insulate the body - this is false, this describes the role of fats. Proteins in the form of enzymes catalyze chemical reactions - this is true, enzymes are an important class of proteins in the bodyProteins provide structures in the body, such as hair and muscles - this is true, for example our hair is made of a protein called keratin Proteins in the cell membrane help transport substances into and out of cells - this is true, proteins form important pumps and channels in the cell membraneConsider the three different types of stem cells. Each one's ability to differentiate into new cells is slightly different. One type can differentiate into any cell, while another can only become specific cells. Select the answer that places the three types in the correct order, from widest range of differentiation to least able to differentiate (specific). (1 point)
A. totipotent, multipotent, pluripotent
B. pluripotent, totipotent, multipotent
C. totipotent, pluripotent, multipotent
D. pluripotent, multipotent, totipotent
Answer:
C
Explanation:
Totipotent can differentiate into any cell type-Pluripotent into less, and Multipotent being the most specialized.
The types of stems cells in the correct order, from widest range of differentiation to least able to differentiate will be C. totipotent, pluripotent, multipotent.
Totipotent simply means a single, immature cell that can give rise to a new organism. Pluripotent simply means substances that can be able to develop into different stem cells.
Lastly, the multipotent stem cells are the stem cells that can self-renew as they divide and then develop into multiple specialized cell types.
Therefore, the correct option is totipotent, pluripotent, and multipotent.
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What factors should be taken into consideration when determining what raw materials to purchase? PLEASE HELP ME
Answer:
purity, value, composition, shelf life, potency, identity, and company appraisal.
Which of the following bio molecule groups is described by the roles and functions listed above
Answer:
Explanation:
Some of the important functional groups in biological molecules are shown above: hydroxyl, methyl, carbonyl, carboxyl, amino, phosphate, and sulfhydryl (not shown). These groups play an important role in the formation of molecules like DNA, proteins, carbohydrates, and lipids.
In which phases is chromatin condensed?
Answer:
In stage 2
Explanation:
During interphase (1), chromatin is in its least condensed state and appears loosely distributed throughout the nucleus. Chromatin condensation begins during prophase (2) and chromosomes become visible. Chromosomes remain condensed throughout the various stages of mitosis (2-5).
Why do some dominant traits have two different types of alleles?
Answer:
you inherit 2 alleles for each genes. one comes from your biological mom and the other comes from you biological father. if the alleles are identical like when both your parents have brown eyes and that it will cause you to have brown eye color. some alleles are dominant while the rest are recessive. the dominant trait is more stronger than recessive trait. It is a strictly relative effect between two alleles of a given gene of any function; one allele can be dominant over a second allele of the same gene, recessive to a third and co-dominant with a fourth. Additionally, one allele may be dominant for one trait but not others.
Explanation:
Radish flowers may be red, purple, or white. A cross between a red-flowered plant and a white-flowered plant yields all-purple offspring. The part of the radish we eat may be oval or long, with long being dominant. If true breeding red, long radishes are crossed with true breeding white, oval radishes, what will the offspring look like?
Answer:
The offspring will be purple and long
Explanation:
Radish flowers = Red, purple, or yellow
For a cross between a red-flowered plant and a white-flowered plant to yield all-purple offspring, that means either the red or white is dominant and the other recessive.
When cross it will result in 16 progenies.
There is an attachment to this answer to further clarify the answer.
A biochemist extracts a molecule from a cell. This molecule catalyzes a chemical reaction. To what class of molecules does it belong?
A. Proteins
B. Carbohydrates
C. Lipids
D. Nucleic acids
Answer:
proteins create enzymes which speed up reaction
Enzymes are the molecules that catalyze biological reactions, while a catalyst is a material that aids in the occurrence of a chemical reaction, hence option A is correct.
How do enzymes catalyze chemical reactions?The crucial function of decreasing the activation energy of chemical events inside the cell is carried out by the majority of enzymes, which are proteins.
Enzymes are biological catalysts that significantly speed up reaction rates and have the propensity to be particular about particular reactants and products, a substrate is a term for the reactant in an enzyme-catalyzed process.
Proteins are called enzymes to catalyze biological reactions that would not occur without them. For chemical reactions like digestion and cellular metabolism, these enzymes are necessary.
Therefore, since enzymes are a specific type of protein that catalyzes chemical events inside cells, they are excellent therapeutic targets, hence option A is correct.
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Different energy sources provide different benefits to individuals and the environment. What are some nonpolluting sources of energy? a. coal, oil, and natural gas. c. alcohol and acetylene. b. nuclear energy. d. wind, solar, and hydroelectric power.
Answer:
Its D
Explanation:
Because they cause no harm to the environment and they are very safe to the environment.
Answer:
D
Explanation:
I took the test on edge
Describing Uses for Mercury
Visit this website and locate the element mercury, whose chemical symbol is Hg. Click on the square to read about the history, properties, and uses of mercury.
Name three uses for mercury.
Answer:
Mercury is used for making thermometers,advertising signs, and mercury switches.
Explanation:
hope this helps! :)
Answer:
thermometers, barometers, diffusion pumps, and other laboratory instruments
pesticides, dental preparations, batteries, and catalysts
Explanation:
2. Which of the following is the most likely reason why scientists use
approximate measurements?
O A. Scientists never use approximate measurements as that would be unscientific.
B. Scientists use approximate measurements to determine whether the data they
collected is reasonable.
C. Scientists use approximate measurements to record images of objects or
environments in a brief interval of time.
D. Scientists use approximate measurements to help take measurements that cannot
be detected by the senses alone.
the way president Ulysses s. grant ran his cabinet in a military style rather than civilian contributed too many scandals in his administration
A) true
B) false
Prompt
What is the difference between a niche and a habitat?
When you feel cold, there are sensors in your skin that tell the brain you need to warm up. The brain sends messages, by way of nerves, to the muscles in your body causing them to contract and relax very quickly resulting in a shiver. The movement of the muscles during a shiver generates heat which can be used to warm up the surrounding tissues. Which characteristic(s) of life is being represented during this action?
A) respond to stimuli
B) maintain homeostasis
C) growth and adaptation
D) respond to stimuli and maintain homeostasis
Which stroke or style is usually swum in a warm-up?
Answer:
The #1 stroke referred to in the warm-up is the stroke you're focusing on in the upcoming session, your main event this session. After sitting around for an hour or so waiting for your event, it's important to wake up the muscles and increase the blood flowing through your body again.
complete measure in 2/4
One of half or it could 1/2 bc 2/4 is just half of 4
To kill a fungus, you could use a fungi-_______
Answer:
antivirus
Explanation:
Photosynthesis/CR definition
Answer:
Photosynthesis is the process in which green plants and some other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.
Cellular Respiration is the process through which cells convert sugars into energy. To create ATP and other forms of energy to power cellular reactions, cells require fuel and an electron acceptor which drives the chemical process of turning energy into a useable form.
Which factor does the moment magnitude scale estimate?
Answer:
Energy released
Explanation:
The moment magnitude scale estimates the total energy released by an earthquake.
Answer: The answer is Energy Released
Explanation: I Just did this Question.
How much water flows down the 1,450 mile long Colorado River
each hour?
Answer:
277 Miles
Explanation:
1, 450 Divided by X amount of time = 4 Miles every Hour
APT and photovoltaic cells are simikar because
The question is incomplete, below is the complete question.
ATP and photovoltaic cells are similar because
A. they are both key components of plant cells.
B. they both produce chemical and electrical energy.
C. they are both key components of solar panels.
D. they both use energy from the sun to separate electrons from atoms.
The correct answer to the question is option D
ATP and photovoltaic cells are similar because THEY BOTH USE ENERGY FROM THE SUN TO SEPERATE ELECTIONS FROM ATOMS.
Photovoltaic cells are otherwise known as solar cells,they are made of silicone that are specially treated,these specially treated silicon transfers solar energy gotten from the sun to electrical energy.
These solar powered photovoltaic panels converts the rays from the sun into electricity.this it does by exciting electrons found in silicon cells and also using the photons of light from the sun.
When this electricity is generated,it can be used to supply energy that is renewable to ones home or business.
In ATP, during the process of photosynthesis, sunlight penetrates the cell and further pass into the chloroplast. This light energy is further intercepted by granal stacks containing chlorophyll molecules, from then,some of those light energy are concerted to chemical energy,as this is going on,a phosphate is then added to a molecule to give rise to ATP.
Which of the following is not a step in the process of natural selection
A. Individuals who have favorable traits survive and reproduce more than those individuals lacking such traits.
B. Members of a population possess heritable variations.
C. People select which individuals breed and which ones do not.
D. Over multiple generations of reproducing, a larger proportion of the population will have those favorable traits and thus adaptation has occurred.
F. The population produces more offspring than the environment can support.
Answer:
A step that is not part of natural selection is people select which individuals breed and which ones do not.
Explanation:
Natural selection is a process in which favorable or unfavorable environmental conditions determine the evolution of species, producing differences in their genotype over a long period of time.
As its name indicates, it is a natural selection, in which no intervention by people is contemplated, so that people cannot determine which individuals breed.
Natural selection implies that the characteristics on which the environment influences are inheritable, that there is genetic variability in the population and that the variability of these characteristics implies the ease of reproduction and survival capacity.
The other options do form part of natural selection, since they are based on the three premises of this process:
Inheritable characteristics. Genetic variability. The variability of characteristics influences reproduction and survival.A red blood cell is placed in a salty solution. When it shrivets due to loss of water, we say it has
•become turgid
•plasmolyzed
•lysed
•crenated
Answer:
It's crenated ( I asked Google btw)
example of antagonistic effects of dual innervation?
(nutrient Cycles)
1. described what "carbon-based life"
means:
2. what causes carbon to return to the atmosphere in a very short time?
3. if one or more nutrients are missing in soil what could happen to the plants?
4. in salt water, blank causes algal blooms whereas in freshwater blank algal blooms.
Lesson 5 Student Activity Sheets: How do bacteria grow?
PREDICTION:
1. If you could zoom in really close to see what was happening on a petri dish, what do you think you
would see?
Answer:I need some points,, I hope y’all can understand
Explanation:
The growth of bacteria can be observed as the bacteria grows very rapidly and fast by the process of asexual reproduction. They continuously multiplied and in very short period of time they divided from one to thousands.
What is asexual reproduction?Asexual reproduction is defined as the process of reproduction in which only a single parent is involved. Reproduction has been defined as the process carried out by the living organisms and during the process of reproduction the living organisms produces their own young ones and feed them. Reproduction is the supreme quality of living things.
There are two types of reproduction and these are sexual and asexual reproduction. The process of reproduction in which two parents are involved is said to be sexual mode of reproduction and the process of reproduction in which only single parent is involved in known as asexual mode of reproduction. The example of asexual reproduction are budding, fragmentation, spore formation, and binary fission.
Therefore, The growth of bacteria can be observed as the bacteria grows very rapidly and fast by the process of asexual reproduction. They continuously multiplied and in very short period of time they divided from one to thousands.
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Where is energy stored in photosynthesis and cellular respiration?
Answer:
Chlorophyll is typically packed into stacks of membranes (called grana); it is in the grana where some of the sunlight is absorbed. Sunlight is converted to chemical energy in the form of ATP (adenosine triphosphate), which is the main energy-storing molecule in living organisms.
Explanation: