The nutrient that serves in the regulation and maintenance of the human body by aiding in fluid balance, cell synthesis and visual processes is protein.
What are proteins?A protein is a fundamental biomolecule composed of amino acids linked by different types of peptide bonds.
Protein represents a fundamental macronutrient in a similar mode to carbohydrates and lipids (fats).
In conclusion, proteins serve in the regulation and maintenance of the human body by aiding in fluid balance, cell synthesis and visual processes.
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1) The Afrik aner population of Dutch settlers in South Africa is descended mainly from a few colonists. Today, the Afrik aner population has an unusually high frequency of the gene that causes Huntington's disease. Huntington's disease is an autosomal dominant disease and only one allele is needed for the disease (HH, Hh). The Afrik aners are an example of a founder effect. It is also an example of genetic drift. How is the founder effect related to the concept of genetic drift?
A) Reduced genetic variation of this small population means that the population may not be able to adapt to new selection pressures.
B) In a small population, the more advantageous trait becomes more common. If this continues, eventually, all individuals in the population will have Huntington's disease.
C) The small population size means that the new colony may have reduced genetic variation from the original population and that variation, in this case, included the dominant allele for Huntington's disease.
D) There are three sources of genetic variation: gene flow, se xual reproduction, and mutation. In the case of the Afrik aners, once the settlers arrived in Africa, these three sources had little impact on the gene pool and variation.
Answer:
C.
Explanation:
The small population size means that the new colony may have reduced genetic variation from the original population and that variation, in this case, included the dominant allele for Huntington's disease. Genetic drift, along with natural selection, mutation, and migration, is one of the basic mechanisms of evolution. In this case, it was a chance that the settlers all carried the allele for Huntington's disease.
What kind of human impact increases the issue of acid precipitation
Answer:
water/air pollution + greenhouse gas emissions
Explanation:
Water pollution gets toxic chemicals into the water cycle and greenhouse gases can mix together to also form some pretty dangerous chemicals that both increase the issue of acid precipitation.
Answer: The kind of impact that increases the issue of acid precipitation is Power plants
Explanation: hope this helped
Which variation of progressive muscle relaxation involves contracting each muscle group repeatedly with progressively less tension with each contraction
The variation that involves contracting each muscle group repeatedly with progressively less tension with each contraction is incremental muscle relaxation.
What is incremental muscle relaxation?Incremental muscle relaxation is a type of variation during a physical exercise aimed at relaxing the muscles.
Incremental muscle relaxation is a fundamental component in any training exercise program.
Incremental muscle relaxation consists of relaxing certain groups of muscle fibers that have undergone rhythmic contractions.
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Human dna polymerase cannot be used in pcr. Why do you think this is the case?.
Human DNA polymerase cannot be used in polymerase chain reaction because it disables at a high temperature.
What is PCR?Polymerase chain reaction (PCR) is a biological technique in molecular biology used for creating multiple copies of DNA from a sample.
The principle behind PCR involves the use of high temperature. An enzyme called polymerase is used to catalyze the formation of polymers of DNA using an existing strand of DNA as a template.
However, TAQ polymerase is used because it tends to be stable at high temperatures unlike human DNA polymerase that disables when it reaches a high temperature.
Therefore, human DNA polymerase cannot be used in polymerase chain reaction because it disables at a high temperature.
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Why does carson think that living things cannot adapt to overcome the new chemicals that human beings introduce to the natural world? new chemicals are produced so quickly that living things do not have time to adapt. living things cannot adapt to artificially created chemicals. chemicals are designed so that living things cannot adapt to them.
New chemicals are produced so quickly that living things do not have time to adapt is Carson's thought which is denoted as option A.
What is Adaptation?This is defined as changes in the physical and behavioural characteristics of an organism that help them to survive in the changing environment.
Carson believes that living things cannot adapt to overcome the new chemicals that human beings introduce to the natural world because they are produced so quickly that living things do not have time to adapt.
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Answer:
New chemicals are produced so quickly that living things do not have time to adapt.
Explanation:
Edge 2020
Which order of events is correct?
1)zygote→stem cells→cell differentiation
2)zygote→cell differentiation→mitosis
3)mitosis→cell differentiation→stem cells
4)stem cells→zygote→cell differentiation
Answer:
Stem cells zygote cell differentiation
What causes most of the stress humans have put on the environment?.
The rapid expansion of the population causes most of the stress that humans have put on the environment.
What is environmental stress?The expression environmental stress makes reference to all types of human activities that cause harm to the environment.
Environmental stress is deeply associated with the loss of biodiversity in natural populations.
In conclusion, the rapid expansion of the population causes most of the stress that humans have put on the environment.
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Which of the following would be the best activity to help you maintain a healthy skeletal system? a. exercising often and eating a balanced diet b. resting often and receiving proper immunizations c. exercising often and eating only protein for your morning meal d. resting often and eliminating calcium from your diet please select the best answer from the choices provided. a b c d
The best activity that helps to maintain a healthy skeletal system is exercising often and eating a balanced diet.
What do you mean by the Skeletal system?The skeletal system may be defined as the central framework of the body. It consists of bones and connective tissue, including cartilage, tendons, and ligaments.
A healthy skeletal system depends on our daily activities like how we sit, walk, sleep, etc. A well-established daily routine of exercises and physical activity keeps our skeletal system healthy and proper.
Therefore, the best activity that helps to maintain a healthy skeletal system is exercising often and eating a balanced diet.
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Answer:
A :)
Explanation:
edge 2023
What is the structure that moves sugar in minerals through the stem?
Answer:
Xylem transports water and minerals. Phloem transports sugars and amino acids dissolved in water.
Mendel did a parental cross with true-breeding tall pea plants and true-
breeding short pea plants. The plants in the F1 generation were 100% tall
plants. What did he find for the plants in the F2 generation? *
*
a. A 4:0 ratio of tall plants to short plants since the F1 plants used in that cross were
all tall.
b. A 3:1 ratio of tall plants to short plants since the F1 generation was heterozygous.
c. A 4:1 ratio of tall plants to short plants since the allele for tall plants is dominant.
d. A 1:1 ratio of tall plants to short plants since the F2 generation had the same
characteristics as the parent plants.
Mendel evaluated in his pea plants were each expressed as one of two versions, or traits. Mendel deduced from his results that each individual had two discrete copies of the characteristic that are passed individually to offspring. We now call those two copies genes, which are carried on chromosomes. The reason we have two copies of each gene is that we inherit one from each parent. In fact, it is the chromosomes we inherit and the two copies of each gene are located on paired chromosomes. Recall that in meiosis these chromosomes are separated out into haploid gametes. This separation, or segregation, of the homologous chromosomes means also that only one of the copies of the gene gets moved into a gamete. The offspring are formed when that gamete unites with one from another parent and the two copies of each gene (and chromosome) are restored.
For cases in which a single gene controls a single characteristic, a diploid organism has two genetic copies that may or may not encode the same version of that characteristic. For example, one individual may carry a gene that determines white flower color and a gene that determines violet flower color. Gene variants that arise by mutation and exist at the same relative locations on homologous chromosomes are called alleles. Mendel examined the inheritance of genes with just two allele forms, but it is common to encounter more than two alleles for any given gene in a natural population.
A muscle that opposes or reverses a particular movement is a.
Answer:
A muscle that opposes or reverses a particular movement is an antagonist. *When a prime mover is active, the antagonist muscles may stretch or remain relaxed.
What is the answer help quick
Answer:
Impact on environment
Pesticides can contaminate soil, water, turf, and other vegetation
Explanation:
me is smart
A missense mutation is if the new amino acid is chemically similar to the original one. If the new amino acid is chemically different, then the missense mutation is .
when it leads to the wrong amino acid being made
A missense mutation is conservative when a new amino acid is chemically similar to the original one and if different it is non-conservative.
What is missense mutation?A mutation in a gene's DNA sequence causes one amino acid, the building block of proteins to be replaced with an amino acid that isn't normally present at that location.
A missense variant is a sort of substitution in which a nucleotide change causes the protein produced by a gene to have a different amino acid in lieu of a different amino acid that was present in the original protein.
A variation in the amino acid might affect how well the protein works, missense mutations can modify the expression of the relevant protein by affecting DNA-transcription factors.
Therefore, a missense mutation is conservative and non-conservative depending upon new amino acid.
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Why do you think that most DNA is stored in the nucleus of a cell and NOT in the cytoplasm?
As the DNA is present in the nucleus, there is compartmentalization and the process becomes more efficient without the interaction of external bodies. The membrane of the nucleus protects the DNA from injuries.
What about cytoplasm?The gelatinous liquid that makes up a cell's interior is called cytoplasm. It is made up of different organic compounds, salts, and water. The cytoplasm is kept apart from some internal organelles, like the nucleus and mitochondria, by membranes.The cytoplasm, which also protects the components from damage, holds the components of the cell in place. It holds the chemicals required for cellular processes and serves to give the cell its shape.The entirety of a cell's contents outside of its nucleus and contained inside its cell membrane is known as its cytoplasm. It looks like gel and is transparent in hue. Although water makes up the majority of cytoplasm, it also contains organelles, salts, enzymes, and different chemical compounds.A viscous liquid called cytoplasm, which is contained within the cell membrane, fills each cell.It mostly consists of proteins, salts, and water. The entirety of the interior and outside of eukaryotic cells, including the nucleus, is contained in the cytoplasm.Each cell has cytoplasm, which is made up of cytosol. 70% of a cell's volume is made up of cytosol, which offers a platform or medium for organelles and other cellular components to function in.Learn more about cytoplasm here:
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Which type of mutation of THE FAT CAT SAT is changed to THE FAT CAA
SAT? *
O inversion
O insertion
O substitution
O deletion
Answer:
substitution
Explanation:
the T in CAT was replaced, or substituted, with an A
Help, I need answer for this, and I don’t understand
Answer:
Read the Explanation below.
Explanation:
They could first test the density of the skeleton to see if it is real or not (bone has a different density and weight than plastic). They could also measure a sample of one part of the skeleton and see if it contains skeletal tissue (if it does, it is a from a human being).
The famous pink-colored sand of Bermuda's beaches is due to crushed shells of ________, marine organisms with tests (porous shells) made of organic material hardened by calcium carbonate. lobsters foraminifera radiolarians green algae
The famous pink-colored sand of Bermuda's beaches is due to crushed shells of foraminifera organisms.
What are foraminifera organisms?The foraminifera organisms are unicellular protists (Protista kingdom) that live in water bodies as above described.
Foraminifera organisms are life forms that generally exhibit an external shell composed of different materials.
These shells can be very conspicuous and they can take many distinct forms and/or shapes.
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Which diagnostic test associated with hearing loss notes a response of the stapedius muscle to the presence of loud sound
The diagnostic test associated with hearing loss notes as a response of the stapedius muscle is called the Acoustic reflex.
What is an Acoustic reflex?The term 'acoustic reflex' refers to the process of contraction of the stapedius muscle, which is located in the tympanic cavity.
The Acoustic reflex test can be used to determine the contraction of this muscle (stapedius muscle) by a loud sound.
In conclusion, the diagnostic test associated with hearing loss notes as a response of the stapedius muscle to the presence of loud sound is Acoustic reflex.
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Can someone help me please
the correct options are:
Earth is an inner planetEarth is denser than JupiterJupiter is mostly made of GasJupiter revolves faster than EarthHAVE A NICE TIME:)
STAY SAFE:)
The sustainable use of rainforest resources is exemplified by _______. a. lumber harvesting b. ranching c. harvesting nuts d. none of the above please select the best answer from the choices provided a b c d
Answer:
C
Explanation:
The sustainable use of rainforest resources is exemplified by
harvesting nuts.
Sustainable use of rainforest resources by harvesting nuts, provide a source for human resource, hence option c is correct.
What is the sustainable use of rainforest resources?To minimize deforestation, tropical rainforests can be maintained in the following ways: logging and replanting - selective logging of older trees guarantee that the rainforest canopy is protected.
Because the younger trees have more space and sunshine to develop, the forest can recover. The environment supports fruits such as nuts, papayas, mangos, cacao, and coffee beans.
Rainforests also contain several therapeutic items. In the United States according to the National Cancer Institute, 70% of plants beneficial in cancer therapy are only found in rainforests.
Therefore harvesting nuts for human resources is sustainable use of rainforest resources, hence option c is correct.
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ANSWER THIS PLEASEE FOR BRAINLIST ILL DO ANYTHING!!!
Six different plug-in hybrid vehicles were tested for their electric-only driving range. The same six cars were tested seven days in a row. Their batteries charged to full capacity
overnight. The average range for each vehicle is listed in the table.
PHEVs Range (miles)
Car 1
96
Car 2
130
Car3
85
Car 4
75
Car 5
135
Car 6
100
What is the median range of the PHEVs tested in the chart?
98 miles
103.5 miles
100 miles
135 miles
Answer:
98
Explanation:
A 98 miles would be the middle from the totals provided above
Which form of early photosynthetic life consumed much of the CO₂ in Earth's atmosphere, allowing life to become possible?
A Cyanobacteria
B. Spirochetes
C. Protists
D. Red-Yellow algae
For a human offspring to express a paternal mitochondrial gene, the individual must have inherited a mitochondrion from the sperm. This is called ___
Answer:
paternal leakage
Explanation:
PLEASE HELP ASAP!!! I really need help filling this out and its really important that the answers are correct. Im giving tons of points and brainliest
Answer:
The other person's answer sounds REALLY good.
Explanation:
Which of the following is a response caused by an external stimulus?
A
Vomiting due to a virus
B
Running away when frightened
C
Release of hormones to regulate blood sugar levels
D
Wilting of plant leaves due to the loss of turgor pressure
Answer:
vomiting due to a virus
Explanation:
In eukaryotes, what allows only certain genes to be expressed in different types of cells?.
If one homologue carries alleles A and B and the other homologue carries alleles a and b and two crossovers occur between these loci, what allele combinations will be found in the gametes
Answer:
ab AB Ab will not be produced. If double crossover occurs, no new combinations of gametes are produced. therefore the parental combinations, AB and ab, will be the only gametes made.
Explanation:
In the given scenario, the combination of allele will be AB and ab.
What is a loci?A locus is a specific, fixed position on a chromosome where a specific gene or genetic marker is found.
If a chromosome that is homologous carries alleles A and B and the other homologue carries alleles a and b and two crossovers occur between these loci, the combination of allele will be AB and ab.
Thus, the gamete will have alleles AB and ab.
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A blender can be used to break down the strawberry tissue in homogenization step. True False.
A blender can be used to break up the strawberry tissue in the homogenization step, because the strawberry needs to be macerated so that the chemicals used for extraction reach all of its cells more easily.
What cell structures were disrupted in the strawberry experiment?The solution for extracting DNA, also known as the lysis solution, is so named because of its function in disrupting the plasma membrane and other membranes.
With this information, we can conclude that a blender can be used to break up the strawberry tissue in the homogenization step, because the strawberry needs to be macerated so that the chemicals used for extraction reach all of its cells more easily.
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What area of development deals with learning and the ability to apply knowledge to new experiences?.
Answer:
Cognitive development
Explanation:
Which biogeochemical cycle does not include a major path in which the substance cycles through the atmosphere?.
Answer:
phosphorus cycle.
Explanation: