Answer:
A normal range is the restricted set of values that is optimally healthful and stable.
A reference range is usually defined as the set of values 95 percent of the normal population falls within (that is, 95% prediction interval). It is determined by collecting data from vast numbers of laboratory tests.
What is detected by chemoreceptors? - science
in yeast that has been genetically modified to be able to produce spider silk, the ________ is joined with the ________ .
A transgenic organism is an organism whose genome (DNA) has been altered by recombinant genetic engineering techniques. These techniques can be used to transfer exogenous genes within transgenic species.
In yeast that has been genetically modified to be able to produce spider silk, the spider silk CODING SEQUENCE is joined with the yeast REGULATORY SEQUENCE.In this case, transgenic yeast has the spider silk coding gene sequence (i.e., the exons) that encodes for the spider silk protein, whereas a regulatory gene sequence (e.g., a promoter gene sequence) from yeast have been preserved in order to regulate the expression of the target exogenous gene.The most important genetic engineering techniques used to create transgenic animals include DNA microinjection and retrovirus-mediated gene transfer.Learn more in:
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stem cells in developing bone that give rise to osteoblasts are called:
Stem cells in developing bone that give rise to osteoblasts are called Osteoprogenitor cells.
What are Osteoprogenitor cells?Osteoprogenitor cells are stem cells found in the developing bone that have the ability to differentiate into osteoblasts, which are the cells responsible for the formation and mineralization of bone tissue.
These cells are crucial for the development and growth of the skeleton and the maintenance of healthy bones throughout life. They also play a role in bone repair and regeneration following injury or disease. By giving rise to osteoblasts, osteoprogenitor cells help to ensure the proper development and maintenance of the skeletal system.
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without making any other adjustments the _____ can be increased by focusing properly.
Resolution is the ability that a microscope has to distinguish fine details. Without making any other adjustments the RESOLUTION can be increased by focusing properly in a brightfield microscope.
A brightfield microscope (also called compound light microscope) is a light microscope that produces dark images against a bright background.
The brightfield microscope is widely used in cellular biology and microbiological laboratories.
The resolution of the brightfield microscope is limited to 0.2 micrometers (µm).
This maximum value can be reached by changing the objective lens.
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The biotic factors of the North American ecosystem that influence lodgepole pine populations are
Space, water, and climate all help determine a species population.
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an example of an incorrect theory that was disproved by the discovery of new information is?
Answer:
The geocentric model of the solar system. Early astronomers first thought the Earth was the center of the universe, later it was disproven and the heliocentric model became more accepted.
Which of the following is not an easily used form of biomass?
A. Paper products
B. Residues from good production and processing
C. Trees and grasses grown as energy crops
D. Landfill materials
The image below shows one muscle cell. Please choose the name of the structure that is labeled A.
1. Myosin
2. Actin
3. myoglobin
4. troponin
The name of the structure labeled as A is 'myosin'. Moreover, the name of the structure labeled as B is 'actin'.
A sarcomere is the basic unit of muscle contraction. This unit is defined as the region between two Z-lines.
Band A is a central band composed of the thick filaments of myosin.
Moreover, the sarcomere also has two halves of a band known as I-band, which consists of thin filaments of actin.
Muscle contraction is caused by the interaction between actin and myosin protein filaments in the sarcomeres.
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Why are enzymes so important to all living things? Give a real-life example to back up your answer.
Explanation: Enzymes help all life forms by allowing reactions to occur at a necessary rate of time. Like a maps allows you to turn at the right time and tells you when to turn around at the right time.
explain the difference between a disaccharide and a polysaccharide
Explanation:
Dissaccharide is the combination of two mononsaccharide. Example: Fructose and Lactose x
Polysaccharide is the combination of more than one mononsaccharide. Example: Cellulose and Starch
4. The size of a bryophyte is limited because it has no system for transporting water high
above the ground. True or False?
a. TRUE
b.FALSE
Answer:
True.
Explanation:
Bryophytes lack the conventional vascular tissues which usually contain the substance lignin. Without vascular tissues, these plants have no means of transporting water and/or nutrients from their lower organs to the higher organs which explains their limited height.
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where does the energy start and where does it end
Answer:
Our energy supply comes mainly from fossil fuels, with nuclear power and renewable sources rounding out the mix. These sources originate mostly in our local star, the Sun.
That light energy will be absorbed and converted to heat. Then it will radiate out into space as infrared thermal radiation. It will travel in that form for a long time, once it gets out of the Earth's atmosphere.
Explanation:
Hope it helps
Answer:
You did not really specify your question but I am guessing it is talking about the food chain and the food chain starts at the plants and ends at the predator who does not have a predator.
Explanation:
How could we model seismic waves in a different way? Come up with another model for this activity and explain the model.
Answer:
clarify please.
Explanation:
Answer:
Image result for How could we model seismic waves in a different way? Come up with another model for this activity and explain the model.
There are three basic types of seismic waves – P-waves, S-waves and surface waves. P-waves and S-waves are sometimes collectively called body waves.
Explanation:
(d) Most aphids do not have wings when they hatch. After sevezi generators, some as
hatch which have wings and can fiy
Explain the advantage to the aphid of being able to fly
P
Answer:
The ability of flight allows them to migrate to different plants if needed. They can only leave a plant and walk away if there is a predator or if their food source's quality has deteriorated, otherwise they remain on their original host plant until then.
Which of the following statements best summarizes the factors that affect population growth?
A. When resources are available, populations grow until they reach carrying capacity.
B. The more limiting factors affect a population, the greater the population growth.
C. The carrying capacity will decrease when there are no limiting factors affecting the population.
Answer:
A
Explanation:
Before we try to answer the question lets define a few key terms
Key Terms:
Carrying capacity - The max population that can be sustained by the amount of resources in a specific environment
Limited factor are usually expressed as a lack of a particular resource.
Now lets look back at the answer choices
For A,
A. When resources are available, populations grow until they reach carrying capacity.
This statement makes sense because with available resources, a population will continue to increase until the amount of resources isn't enough for the population, in other words the population will increase until its reached its carrying capacity. So this might be the answer, however lets look at the other answer choices just in case.
For b,
B. The more limiting factors affect a population, the greater the population growth.
This statement would not be true because limiting factors usually are expressed as a lack of a particular resources. A lack of resources ( more limiting factors ) would lead to a population decreasing, not increasing, therefore B is not a true statement
For C,
C. The carrying capacity will decrease when there are no limiting factors affecting the population.
This statement would not be true because if there are no limiting factors ( which remember are expressed as a lack of particular resource ) the carrying capacity ( or the max population that can be sustained by the amount of resources in a specific environment ) would not change at all because there are no limiting factors changing the availability of the resources, therefore C is not the answer.
write an article on the topic 'impact of population on ecosystem'.
Abstract -
The rapid increase of human population is putting an incredible strain on our environment. While developed countries continue to pollute the environment and deplete its resources, developing countries are under increasing pressure to compete economically and their industrial advancements are damaging as well. The demands that this growth places on our global environment are threatening the future of sustainable life on earth. One of the largest environmental effects of human population growth is the problem of global warming. Some scientists fear that global warming will lead to rising sea levels and extreme weather conditions in the future. In order to support the growing population, forests are being destroyed at an alarming rate. Humans also continue to put a great demand on the natural resources of our planet. Many non-renewable resources are being depleted due to the unrestrained use of fuel and energy. Many parts of the world also suffer from a shortage of food and water. The growth of population puts larger demands on our already limited resources. The environment on earth is suffering from the growth of global population. The depletion of resources and biodiversity, the production of waste, and the destroying of natural habitat are serious problems that must be addressed in order to ensure that life on earth will be sustainable throughout the next century. Keywords: Industrial advancements, Land and soil degradation, global warming, Climate change, Air and water pollution, Deforestation, Physical environment.
How does water affect Earth’s physical features?
Answer:
Water moving across the earth in streams and rivers pushes along soil and breaks down pieces of rock in a process called erosion. The moving water carries away rock and soil from some areas and deposits them in other areas, creating new landforms or changing the course of a stream or river.
Explanation:
Can you help me with this?
Answer:
better pic plz
Explanation:
The Basic Building Blocks of proteins are called amino acids.Why are proteins essential to all life?
Answer:
You need proteins in order for your body to create and repair cells.
Which evidence supports viruses being classified as living things?
O They are only made of proteins.
O They can enter cells.
They evolve over time.
O They spread between organisms.
Answer:
They are made up of protein.
Explanation:
Through out the cells life they all need protein to keep function.
What do people with Glycogen Disorder Disorder need to do in order to maintain a normal blood glucose?
the muscles and organs need a certain level of glucose in the blood to work properly. When the body is missing an enzyme or has a flawed enzyme and is not able to use glycogen the right way, it leads to a condition called glycogen storage disease (GSD). Many different enzymes are used by the body to process glycogen.
What determines the shape of a protein? How is a protein's
shape related to its function?
Answer:
the folding and intramolecular bonding of the linear amino acid chain, which ultimately determines the protein's unique three-dimensional shape. ... Folded proteins are stabilized by thousands of noncovalent bonds between amino acids.
the ability to move from one location to another is
Describe what part of the virus affects a body system but not all the body systems
Answer:
Explanation:
no
PLEASE ANSWER THIS!!
Answer:
C
Explanation:
Why is the sequence of amino acids important to protein function?
Multiple choice question.
A)
The sequence of amino acids doesn't have an effect.
B)
The order of amino acids determines the shape a protein will take.
C)
The order of the amino acids can be read like a code to assemble DNA.
D)
Amino acids can only be combined in a specific order, otherwise the bonds will fall apart.
Answer:
b
Explanation:
mutations in an amino acid sequence affect the function of its protein
what cell structure is made of a bilayer of phospholipids and proteins
Answer:
the Plasma Membrane
Explanation:
Like all other cellular membranes, the plasma membrane consists of both lipids and proteins. The fundamental structure of the membrane is the phospholipid bilayer, which forms a stable barrier between two aqueous compartments.
True or False: Cellulose is a polysaccharide that functions as a structural carbohydrate
Answer:
True
Explanation:
Cellulose is a carbohydrate, meaning it can be identified as a polysacharide. It is often used by plants in the construction of a cell wall in cells. Meaning it also functions as a structural carbohydrate.
Thus, it can be thought that cellulose is a polysaccharide that functions as a structural carbohydrate.
The tails of the cell membrane are ____________ while the phosphate heads are ___________.
Hydrophilic, Hydrophobic
Hydrophobic, Hydrophilic
Flexible, Hydrophobic
Water Loving, Flexible
Explanation:
The tails of the cell membrane are __hydrophobic__ while the phosphate heads are __hydrophilic__.
I hope the following image helps to further explain the answer.
The tails of the cell membrane are hydrophobic while the phosphate heads are hydrophilic. The correct option is B.
What is the structure of cell membrane?The phospholipid bilayer, which forms a stable barrier between two aqueous compartments, is the membrane's fundamental structure. These compartments are the inside and outside of the cell in the case of the plasma membrane.
The cell membrane, also known as the plasma membrane, is found in all cells and serves to separate the cell's interior from the outside environment.
The membrane of the cell is composed of a semipermeable lipid bilayer. The cell membrane controls the transport of materials into and out of the cell.
The heads (phosphate) are polar, whereas the tails (lipid) are non-polar. The heads, which form the outer as well as inner linings, seem to be "hydrophilic" (love water), whereas the tails, which face the cell membrane's interior, are "hydrophobic" (water fearing).
Thus, the correct option is B.
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why do trees sometimes get white spots on it
Answer:If you see a suspicious abundance of white spots on your twigs, branches, or leaves, you may have an infestation of scale insects, which are parasites of plants and feed on internal plant fluids. The white spots that you see are in fact thousands of tiny white bugs.
Explanation: