Answer: Constructing dams, Building desalination plants.
A drought is a natural disaster that occur in a region that receives very low precipitation. The region exhibit desert like conditions such as hot and dry climate, compact and infertile soil, and scanty available water resources. Constructing dams can preserve the available water resource, it will also help in preserving the surrounding soil in maintaining the moisture content. If the available water is saline. Then the salinity can be removed by the desalination process and the water can be used.
Plasmids are important in biotechnology. give a full and complete definition of plasmid.
If a gene contains 300 dna nucleotides, how many amino acids will the protein that is assembled from this gene contain?
The diagram shows the general structure of a lipid, which consists of two main parts
When you see gas bubbling up out of a swamp or Marsh what can you suspect is in the water
What similarities and differences do prokaryotes have with modern-day green plants?
The cells of prokaryotes and plants have different constitutions, and some similarities, because their cell class is different, but they belong to the same evolutionary line, for a better answer, we must understand....
Prokaryotic cellsProkaryotic or prokaryotic cells, also called protocells, are very different from eukaryotes (plants). Its main feature is the absence of cariotheca individualizing the cell nucleus, due to the absence of some organelles and the small size that is believed to be due to the fact that they do not have membranous compartments originated by evagination or invagination. They also have DNA in the form of a non-protein-associated ring (as in eukaryotic cells, in which the DNA is arranged in coiled strands and associated with histones).
To this group belong unicellular or colonial beings:
Bacteria Cyanophytes (cyanophyte algae, blue algae or even Cyanobacteria) PPLO ("pleuro-pneumonia like organisms") or MycoplasmasEukaryotic cells (plants)Eukaryotic or eukaryotic cells, also called eucells, are more complex than prokaryotes. They have individualized nuclear membrane and various types of organelles.
Most of the
Animals and Plantsthat we are used to are endowed with this type of cells.
Answering the questionWhat similarities and differences do prokaryotes have with modern-day green plants?With the information, we can say that the differences between a prokaryotic cell and a plant is the absence of caryothecae, absence of some organelles and the small size that is believed to be due to the fact that they do not have membranous compartments. The similarity between them is because both have DNA in the form of a ring not associated with proteins.
With this, we know that the prokaryotic cell has DNA just like plants, but the prokaryotic cell lacks several organelles that exist in plants.
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What form of energy does a plant store when light is transformed during photosynthesis?
A brush called a filbert is best used for ________.
light can be diffracted or scattered true or false
The short-term effects of confiding painful feelings may be arousal, but in the long term, talking about painful stress-producing experiences calms us by
The best way to calm a person when he or she is talking about painful stress producing experiences is by having his or her activity to be reduced in which is under the limbic system as this will allow the person to relax and be calm.
True or false? low doses of cns depressants can cause sedative effects and relaxation.
Adenosine triphosphate (ATP) molecules are used for the synthesis of a large number of biomolecules. Which two actions happen when bonds in ATP molecules are broken
The _________ is the organelle which is sometimes referred to as the powerhouse of the cell due to the fact that it produces atp most efficiently.
Phytoplankton are microscopic plant-like organisms. In which zone of the ocean are you most likely to find phytoplankton? A.Hadalpelagic B.Abyssopelagic C.Epipelagic D.Bathypelagic
Answer: C. Epipelagic
The Epipelagic zone is the upper most layer of the ocean. It is the layer which receives maximum sunlight, because of availability of sunlight and nutrients like fresh oxygen and atmospheric carbon dioxide, this zone is suitable for active photosynthesis activity. This zone can sustain a large number of photosynthesizing organisms such as phytoplanktons. Phytoplanktons are small microscopic plant like organism which produce their own food by the process of photosynthesis. For example, diatoms.
The _____ cartilage of the larynx forms the laryngeal prominence
During which phase of the autopsy would swabs from orifices be taken?
A. external examination
B. internal examination
Answer: A. External examination
Explanation:
An autopsy is an examination which involves the detail analysis of the internal as well as external condition of the dead body.
In external examination body color, injuries, injection marks, tattoo marks and swabs of orifices are taken to determine the cause of death.
In internal examination the dissection of all the cavities of the body is done to determine the cause of death.
Patients' negative expectations about the outcome of a surgical procedure can increase their postoperative experience of pain. this best illustrates the importance of
The statement provided best illustrates the importance of psychological factors, specifically the impact of patients' expectations on their postoperative experience of pain.
This highlights the role of psychological factors in influencing physical outcomes and is often referred to as the mind-body connection or psychosocial influences on health.
Research has shown that patients who have negative expectations or anticipate more pain before a surgical procedure are more likely to report higher levels of postoperative pain. This phenomenon can be attributed to various psychological processes, including the influence of beliefs, attitudes, and emotions on the perception and interpretation of pain.
The importance of psychological factors in healthcare is increasingly recognized, as they can significantly affect patient outcomes, treatment adherence, recovery, and overall well-being. Healthcare professionals now understand the significance of addressing patients' psychological needs and promoting a positive mindset, as it can contribute to better pain management, improved recovery, and enhanced overall patient satisfaction.
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The following seed phenotypes showed up in a generation of plants. Which alleles are recessive? blue round = 75 white round = 28 blue wrinkled = 24 white wrinkled = 8 blue and round white and round blue and wrinkled white and wrinkled
Answer:
blue and wrinkled are recessive.
Explanation:
Based on the given seed phenotypes, the alleles that are both recessive include: D. white and wrinkled.
What is a recessive trait?A recessive trait can be defined as a masked allele in the genotype which can only expressed by a living organism when two (2) of the same masked alleles are inherited.
In Genetics, the phenotypic ratio between the offspring of two (2) heterozygous parents within the F2 generation is equal to 9:3:3:1.
Given the following seed phenotypes:
Blue round = 75 = 75/9 ≈ (9 × 8).White round = 28 = 28/3 ≈ (3 × 8).Blue wrinkled = 24 = 24/3 ≈ (3 × 8).White wrinkled = 8 = 8/1 ≈ (1 × 8).Therefore, the phenotypic ratio between the offspring is close to 9:3:3:1 within the F2 generation.
Note: 1 represents the number of phenotypes with both recessive traits.
In conclusion, we can logically deduce that white and wrinkled are the alleles that are both recessive.
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What is the function of dna polymerase iii? select one:
a. to unwind the dna helix during replication
b. to seal together the broken ends of dna strands
c. to add nucleotides to the 3' end of a growing dna strand
d. to degrade damaged dna molecules?
Oxygen enters the ocean only at the surface, from __________ and ______________.
a. photosynthesis, the atmosphere
b. volcanic eruptions, meteorites
c. photosynthesis, respiration
d. respiration, photosynthesis
e. respiration, rainfall
Oxygen enters the ocean only at the surface, from photosynthesis and the atmosphere.
The question pertains to how oxygen enters the ocean. Oxygen enters the ocean mainly from two sources: photosynthesis and the direct exchange with the atmosphere. Photosynthesizing organisms, such as algae and cyanobacteria, which are also referred to as phytoplankton, play a crucial role in this process by converting carbon dioxide and water into oxygen and organic compounds. Additionally, the oxygen from the atmosphere dissolves directly into the surface of the ocean through physical mixing processes.
The correct answer to the student's question is "(a). photosynthesis, the atmosphere." Photosynthesis by marine organisms adds oxygen to the ocean waters, while the atmosphere exchanges gases with the ocean's surface, allowing more oxygen to dissolve into the water.
The genes for sex-linked traits are carried on either the X or Y chromosome. Duchenne muscular dystrophy (DMD) is a recessive, sex-linked disease that is carried on the X chromosome. A woman with DMD and a man without the disease have a child. Which statement best describes the likelihood of the disease passing to their child?
a. There is a 100 percent chance that their daughter will have the disease.
b. There is a 50 percent chance that their son will have the disease.
c. There is a 50 percent chance that their daughter will have the disease.
d. There is a 100 percent chance that their son will have the disease.
Answer:
D
Explanation:
The average time to death from starvation in a fruit fly is about 20 hours. selecting for increased starvation resistance in fruit flies:
a. can produce populations in which the average time to death from starvation is 160 hours.
b. has no effect because it is too complex a physiological process, dependent upon the effects of too many genes.
c. has little effect because constant mutation reduces starvation resistance, counteracting any benefits from selection.
d. has no effect because it is not a trait that influences fruit fly fitness.
e. can double this, at which point the genetic variation for this trait is exhausted.
What is the term for the portion of the earth's atmosphere, hydrosphere, and geosphere where life is found?
Why is the clear area surrounding an antibiotic disk called the zone of inhibition?
Answer:
No bacteria grows in surrounding area of antibiotic disk, thus it is known as zone of inhibition
Explanation:
The area surrounding an antibiotic disk is called the zone of inhibition because in this region bacteria & its colonies are unable to grow. Due to the anti microbial effect produced by bacteria, there is no visible sign of presence of bacteria in the inhibition region.
Also, the zone of inhibition also depicts susceptibility of bacteria towards the effect of antibiotics.
The respiratory system controls the:
A change in the frequency of alleles from one generation to the next is the definition of:
Final answer:
The change in the frequency of alleles from one generation to the next is the definition of evolution in population genetics. It refers to a change in the proportion of a specific allele within a population, relative to all other alleles of that gene.
Explanation:
The change in the frequency of alleles from one generation to the next is the definition of evolution in terms of population genetics. It refers to a change in the proportion of a specific allele within a population, relative to all other alleles of that gene. For example, in the ABO blood type system, the frequency of the IA allele can change over time, leading to evolution in the population. This concept is important in understanding how genetic change drives phenotypic change and adaptation in populations.
How does the arrangement of atoms and bonds change
The arrangement of atoms and bonds within molecules, especially in cases of isomers, substantially affects their properties. Different bonding processes, both ionic and covalent, induce energy changes which give rise to these unique properties.
Explanation:The arrangement of atoms and chemical bonds within molecules fundamentally changes their properties. This is exhibited in isomers, molecules that have the same chemical formula but differ in the placement of their atoms and/or bonds.
For instance, structural isomers like butane and isobutane have the same number of carbon and hydrogen atoms (C4H₁0). However, their different arrangements lead to significant variations in properties where butane is more suited as a fuel and isobutane as a refrigerant.
The basis of these variations stems from the two main types of bonds, ionic and covalent, where the former represents a transfer of electron from one atom to another, and the latter represents a sharing of electrons. The energy changes in these bonding processes are what mainly contributes to different characteristics of molecules.
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Some individuals have a mutated recessive allele and a homozygous individual is resistant to HIV infection and AIDS. Some populations have a high frequency of the mutant allele. What inference can be made about the mutant allele?
a. heterozygous individuals must be genetically advance even if they are not resistant to hiv
b. the mutated allele must have developed and been acquired by many people before exposure to the virus .
c. the mutated allele must not be inherited by offspring or disease would be close to eradication
d. being a homozygous is a advantage for mutated allele , while being heterozygous is genetic advantage
Answer:
b. the mutated allele must have developed and been acquired by many people before exposure to the virus .
Explanation:
One unit of platelets raises the platelet count which amount
What type of epithelial tissue is specialized to stretch repeatedly without damage?
an increase in the biodiversity of an ecosystem leads to an increase in its productivity T or F
The statement that an increase in the biodiversity of an ecosystem leads to an increase in its productivity is true.
Increased biodiversity in an ecosystem often leads to increased productivity. This is because diverse ecosystems tend to have a greater variety of species with different ecological roles (such as producers, consumers, and decomposers).
Each species contributes uniquely to the ecosystem's nutrient cycling, energy flow, and overall stability. As a result, diverse ecosystems can efficiently utilize available resources, leading to enhanced productivity in terms of biomass production and ecosystem services.
Biodiversity and productivity are closely linked in many ecological contexts.