Under hypoxia conditions, the process known as lactic fermentation is induced in order to regenerate NAD+.
What is hypoxia?Hypoxia is a phenomenon where cells need to survive in the absence of oxygen, which is fundamental for performing the chemical process called cellular respiration.
Under hypoxia conditions, the cell only can carry out their metabolic activities by performing anaerobic respiration through a process known as lactic fermentation.
During this process, NAD+ is generated and then used to synthesize ATP, the energy coin of the cell.
In conclusion, under hypoxia conditions, the process known as lactic fermentation is induced in order to regenerate NAD+.
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Landfills are advantageous for waste
disposal for many reasons. Which of the
following is an advantage of landfills?
A. They have cheaper disposal fees.
B. They are very expensive.
C. They are high maintenance.
D. They produce little to no smell.
Answer:
The correct option is A.
They have cheaper disposal fees.
The presence of a recessive gene can be detected (seen) only if the individual is?
The presence of a recessive gene can be detected only if the individual is homozygous (aa) .
What does homozygous mean?Homozygous is a condition in which two identical alleles are present at a particular locus.
A condition in which an individual has inherited the same DNA sequence for particular gene from both their biological father and their biological mother.
An allele is defined as a variant form of a gene or one of two or more than two DNA sequences occurring at a particular gene locus.
Genes are made up of information required to produce different proteins.
Therefore,the presence of a recessive gene can be detected only if the individual is homozygous (aa).
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The mars rover curiosity finds a living organism on the red planet. scientists would know that it is eukaryotic and not prokaryotic if ________
The mars rover curiosity finds a living organism on the red planet. scientists would known that it is eukaryotic and not prokaryotic if it has membrane bound organelles.
There is no proof of past life has been found on mars. The environment of red planet has liquid water and may have been habitable for microorganism but habitable condition do not necessarily indicate life. Fossil traces of microscopic bacteria that live in massive marine reefs.
Prokaryotic bacteria well dined nuclei and membrane bond organelles with chromosome which is composed of single , circular ring of DNA. Eukaryotic bacteria is also membrane bounded nucleus in eukaryotes and not in bacteria. DNA is present in nucleus.
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What are articulations? junctions in the body that connect organ to bone junctions in the body that connect muscle to nervous tissue junctions in the body that connect bone to bone junctions in the body that connect muscle to organ
Junctions in the body that connect bone to bone
A joint, sometimes referred to as an articulation, is where two or more bones come together. The majority of joints only have one articulation. The names of two bones are included in each articulation (or sockets).
What is a Joint or articulation ?Bones are connected through joints, often referred to as articulations. They enable specialised movement while while giving the skeletal system stability.
Histologically, according to the predominant kind of connective tissue, joints can be categorised. i.e., synovial, fibrous, and cartilaginous.Movement, like that of the limbs, and stability, like that of the skull's bones, are both made possible by joints.Learn more about Joint or Articulation here:
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In better ecological news for britain, what species extinct in europe for 6,000 years was reintroduced there?.
Bison
These "woolly bulldozers" have been missing from the UK's wild for thousands of years, but a particular programme has welcomed them back.
What are Bison ?Thanks to a ground-breaking plan to reintroduce these mammals to one of south-east England's greatest sections of ancient woodland, bison have recently made their long-awaited comeback to the UK.
Any of the two species of grazing animals that make up the genus Bison of the family Bovidae are known by the names bison, buffalo, or wisent.Buffalo and bison are different animals even though the phrases are frequently used interchangeably. Water buffalo and Cape buffalo are two of the Old World species that are indigenous to Asia and Africa.Learn more about Bison here:
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You collect individuals from different allopatric populations of a leaf-eating beetle. In the laboratory, you conduct mate-choice experiments to assess levels of reproductive isolation among beetles from different populations. Assuming that ecological speciation occurred in the wild, which pattern should you expect?.
Less reproductive isolation among populations that share similar habitats.
What is habitat reproductive isolation?
Habitat isolation is the term for when populations of a species move to a new habitat and settle in an area where they no longer overlap with other populations of the same species. When reproduction with the parent species stops, a new group emerges that is genetically and reproductively independent.What factors affect reproductive isolation?
The members of different species will be reproductively isolated by any factor that prevents potentially viable individuals from coming together. Different habitats, physical barriers, and a variation in the timing of sexual development or flowering are examples of the different types of barriers that can result in isolation.Learn more about reproductive isolation
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What age group has a larger volume of extracellular fluid than intracellular fluid?
The Infants group has a larger volume of extracellular fluid (ECF) than intracellular fluid.The bodily fluid that exists outside of the cells of a multicellular creature is referred to as extracellular fluid (ECF).
Women and obese people often have a lower percentage of total body water than lean men, which is roughly 60% (range 45 to 75% of total body weight) in healthy adults. About one-third of the body's fluid is extracellular fluid, while the other two-thirds is the intracellular fluid found inside the cells. The fluid that surrounds cells, called interstitial fluid, makes up the majority of extracellular fluid.
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Biomolecules are made from simple monomers, yet you find a very high level of diversity. what chemical features make diversity in each category of biomolecules possible? provide examples in each case
Chemical features like 3-D structure and chemical bonding are responsible for diversity in biomolecules although they are made from simple monomers.
For example, in the case of carbohydrates, both starch and glycogen are made up of glucose monomers but still they differ in function in their body. This difference is because of the chemical bonding and the 3-D structure.
Similarly in protein biomolecules, amino acids act as the monomers but they differ in function due to their 3-D structure. Nucleotides are the building blocks of both RNA and DNA. RNA and DNA perform different functions in the body. DNA stores ad transfers genetic information while RNA is responsible for directly coding for amino acids.
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In the near future, the benefits of biofuel production may be enjoyed while reducing the impact on the global production of grain. One such promising approach is to In the near future, the benefits of biofuel production may be enjoyed while reducing the impact on the global production of grain. One such promising approach is to:____.
a. use the large amounts of animal wastes to produce ethanol.
b. produce biofuels from grasses and timber wastes instead of from corn. c. find ways to convert oil and natural gas into ethanol. d. bioengineer cattle and goats to produce ethanol in their milk.
One way to reduce the impact of the of the production of biofuel on grain security is to use the large amounts of animal wastes to produce ethanol.
What is biofuel?The term biofuel refers to a fuel that is produced from living things. This advent of biofuels have shed light on an emerging source of clean energy and renewable energy. The challenge that we have to face in the production of biofuel /is its impact on grain.
Thus, one way to reduce the impact of the of the production of biofuel on grain security is to use the large amounts of animal wastes to produce ethanol.
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__________________________ is a hybrid of pure and applied science. academic research technoscience industrial research biotechnology
Technoscience is a hybrid of pure and applied science. academic research technoscience industrial research biotechnology.
Belgian philosopher Gilbert Hottois first used the term "technoscience" in the late 1970s. Sociologist Bruno Latour has used it to investigate the role of scientists and engineers in society as well as the relationship between technology and people.The term "technoscience" describes the close ties that exist in modern scientific research and development (R&D) between fields that were once thought to be fundamentally distinct from one another: technology and science. This distinction was made by philosophers. The degree of the relationship between science and technology as well as the focus on technology that the term techno(-)science places on it varies.Additionally, the majority of scientists and philosophers of science still view technology as applications and results of scientific advancement. Nevertheless, they acknowledge that technology's effectiveness and success help science to be realistic, objective, and universal.learn more about technoscience here: https://brainly.com/question/5043267
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A subsurface rock layer that is composed of clay and bedrock and is an impermeable barrier to water flow would be described as a(n):_________
a. geyser
b. aquifer
c. oxbow
d. lake
e. aquiclude
A subsurface rock layer that is composed of clay and bedrock and is an impermeable barrier to water flow would be described as a(n) aquifer(option b).
An aquifer is an underground layer of water-bearing permeable rock, rock fractures or unconsolidated materials (gravel, sand, or silt).
The study of water flow in aquifers and the characterization of aquifers is called hydrogeology. Aquifers occur from near-surface to deeper than 9,000 metres (30,000 ft).
There are three different types of aquifers: confined, unconfined, and perched. Recharge zones are typically at higher altitudes but can occur wherever water enters an aquifer, such as from rain, snowmelt, river and reservoir leakage, or from irrigation.
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When observing the gel at the end of the run period, the dna band that is closest to the positive electrode is the.
Answer:
smallest in size
Explanation:
hopefully, this is correct and will help you
The nucleus of each human cell contains ________, which are threadlike structures made up of deoxyribonucleic acid (dna).
Answer:
Chromosomes
Explanation:
What is the second step upon discovery of an unauthorized disclosure (ud) incident?
The second step upon discovery of an unauthorised disclosure (ud) incident is "report".
What is unauthorised disclosure (ud)?The transmission or transferal of regulated or unclassified information to the an unauthorised recipient is known as an unlawful disclosure, or UD.
The unauthorised disclosure (ud) can be prevented by following steps:
Security updates fix flaws in software, software platforms, drivers, and other components that hackers could use to access your machine and your data.An incursion can be dealt with faster if you catch it early enough. Although prevention is crucial, keeping an eye on user behavior, login attempt, logging, as well as other activity can also give you valuable information about how secured your system is.The practice of monitoring and evaluating network or system activity for potential signals of intrusion incidents, such as impending threats, policy violations, or threats, is known as intrusion detection.The concept of privileges (POLP) establishes a minimum range of user rights that give users access to only those resources they require to carry out their roles.To know more about unauthorized disclosure, here
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The cell membranes of archaeons that lack a cell wall are strengthened by _________.
The cell membranes of archaeons that lack a cell wall are strengthened by diglycerol tetraethers; option D.
What is cell membrane?Cell membrane refers to the outer covering found in living cells which help to separate the internal contents of the cell such as the cell organelles and cytoplasm from the external environment of the cell.
Cell membranes are composed of lipid bilayers where the lipids consists of a hydrophobic tail found in the interior and a hydrophilic haed found ar the exterior.
Cell membrane in bacteria and archaeons consists of a peptidoglycan cell wall which strengthens and protects the cell.
In archaeons that lack a cell wall, the cell membrane is strengthened by diglycerol tetraethers.
In conclusion, cell membranes are the outer covering of cells.
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The complete question is given below:
The cell membranes of wall-less archaeons are strengthened by
A. diglycerol ethers.
B. glycoprotein or protein layers.
C. pseudomurein.
D. diglycerol tetraethers.
What is the ability of living things to maintain a relatively constant internal environment? metabolism homeostasis stimulus-response cellular respiration
The tendency to maintain a stable, relatively constant internal environment is called homeostasis.
Homeostasis is the tendency to resist change in order to maintain a stable, relatively constant internal environment.
Homeostasis typically involves negative feedback loops that counteract changes of various properties from their target values, known as set points.
In contrast, positive feedback loops amplify their initiating stimuli, in other words, they move the system away from its starting state.
The concentration of various ions in your blood must be kept steady, along with pH and the concentration of glucose. If these values get too high or low, person might end up getting very sick.
Therefore, the tendency to maintain a stable, relatively constant internal environment is called homeostasis.
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Organic material in soil contains a substance called "humus". Humus is defined as
A. dark organic matter that forms from sand
B. dark organic matter that forms from granite
C. dark organic matter that forms when plants and animals decay
Answer:
C. dark organic matter that forms when plants and animals decay
Which of the following is a function of Producers?
A. All of these
B. Convert sunlight into chemical energy
C. Prevent soil erosion
D. Convert nitrates into usable proteins
The function of producers include all of the above and is therefore denoted as option A.
What is a Producer?This is referred to as an autotrophic organism which are able to produce food for the other organisms in the food chain.
A typical example is plants which produce food through photosynthesis via sunlight and perform other functions such as preventing soil erosion and converting nitrates into usable proteins.
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Oligo polysacchoride importance in blood transfusion and tissue organt transplant
Which of the following is NOT a step in risk management?
A. risk assessment
B. risk reduction strategy
C. risk identification
D. refusing to reduce the risk regardless of the outcome
Answer:
D
Explanation:
reducing risk is the one of the best approach to risk management
The ________, in the chloroplast, contains photosynthetic pigments in its membrane.
The thylakoid membrane, in the chloroplast, contains photosynthetic pigments in its membrane.
What is photosynthesis?Plants and other living things employ a process called photosynthesis to transform light energy into chemical energy that can then be released through cellular respiration to power the organism's activities. The name photosynthesis comes from the Greek words pho, "light," and synthesis, "putting together," and refers to the process through which carbon dioxide and water are converted into molecules of carbohydrates, such as sugars and starches. Photoautotrophs are creatures that perform photosynthesis, including most plants, algae, and cyanobacteria. The majority of the energy required for life on Earth is produced and maintained by photosynthesis, which is also substantially responsible for producing and maintaining the oxygen content of the atmosphere.
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Which component of amino acids accounts for the differences in their properties?
The Alkyl group (R) is a component of amino acids accounts for the differences in their properties.
An amino acid contains an Amino group, Carboxyl group, H atom and an Alkyl group. Amino group, Carboxyl group and H atom are common for all amino acids. Alkyl group(R) is unique for every Amino acid. It differs from an amino acid to other amino acid.
This provides unique property to every protein structure as well since amino acids make a polymer of proteins. The alkyl group in amino acid can be Carbon containing, Ring containing, Amino group or a carboxyl group as well.
If an amino group is added in place of an alkyl group or with an alkyl group then the amino acid becomes basic in nature.
Similarly, if carboxyl group added in place of an alkyl group or with an alkyl group then the amino acid becomes acidic in nature.
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The electron donor that replenishes the ps ii reaction center is ______ and for the ps i reaction center is _______.
The electron donor that replenishes the ps ii reaction center is H₂O and for the ps i reaction center is cyt.
What is Electron donor?A chemical substance that donates electrons to another component is known as an electron donor. It is a reducing agent that causes its own oxidation as a result of contributing electrons. Covalent or ionic reaction chemistry permanently changes the chemical makeup of typical reducing agents.An electron donor that bonds to an atom other than hydrogen is known as a nucleophile. A base is a hydrogen-bonding electron donor.Ions or compounds that donate electrons function as reducing agents and are known as electron donors.The proton gradient in the intermembrane gap is produced by NADH molecules donating electrons that are then transmitted through a number of different proteins. When the electron reaches the last protein, it forms a link with an oxygen molecule to produce water.
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Why is it important to maintain the ph of blood and tissue fluids within normal limits?
It is important to maintain the ph of blood and tissue fluids within normal limits because the structure and function of macromolecules are pH sensitive, and even little variations from normal pH can cause metabolic processes to shut down.
Tissue fluid is found in the spaces around cells. It comes from substances that leak out of blood capillaries (the smallest type of blood vessel). It helps bring oxygen and nutrients to cells and to remove waste products from them.
The two forms of connective tissue in this subcategory are blood and lymph. Both are fluid rather than solid, and neither has the network of extracellular protein fibers that other types of connective tissue have.
Diffusion and filtration processes create tissue fluid from plasma. This fluid fills the intracellular space and serves as a link in the transmission of nourishment, gases, and metabolic end products between blood capillaries, tissue fluid, and lymph.
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The ophthalmologic term describing a fibrous growth of conjunctival tissue that extends onto the cornea is termed:_______
The ophthalmologic term describing a fibrous growth of conjunctival tissue that extends onto the cornea is termed pterygium.
A pterygium is a growth of the conjunctiva or mucous membrane that covers the white part of your eye over the cornea.
The cornea is the clear front covering of the eye. This benign or noncancerous growth is often shaped like a wedge causing a disturbance of vision.
A pterygium, also known as surfer's eye. It can be only treated by a surgery. It is preferable to remove the pterygium before it grows across the cornea, otherwise, it may scar the cornea and cause permanent vision problems.
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What is the name of the selective agent present in mitis-salivarius agar?
a. tellurite
b. phenol red
c. neutral red
d. eosin
a. Tellurite, is a selective agent which is present in mitis-salivarius agar.
Mitis Salivarius Agar with Tellurite (MSAT) is a type of an enriched selective medium which has application in the isolation of Streptococcus salivarius, Streptococcus mitis and the other oral Enterococci and Streptococci which are found in different clinical specimens.
Peptones are a source of nitrogen, carbon, vitamins etc. and are added to the MSAT. Potassium tellurite and crystal violet are selective agents and can inhibit the growth of most gram negative bacilli and also the most gram positive bacteria excluding Streptococci.
Hence, option a. is the correct option.
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The pituitary hormone that controls the release of glucocorticoids from the adrenal cortes is?
Adrenocorticotropic hormone (ACTH),controls the release of glucocorticoids from the adrenal cortex .
ACTH stimulates the adrenal cortex to produce glucocorticoids and adrenal androgens. Glucocorticoids, such as cortisol, function by maintaining blood glucose levels during fasting, preparing the body during physical and emotional stress, preventing inflammation, and suppressing the immune system.
Glucocorticoids are secreted by the middle region of the adrenal cortex. The principal glucocorticoid is cortisol, which increases blood glucose levels. The third group of steroids secreted by the adrenal cortex is the gonadocorticoids, or sex hormones. These are secreted by the innermost region.
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You perform a quadrant streak of e. coli at 11:00 am. How many bacteria are present in one cfu at 9:00 pm?
E.coli Bacteria present in one CFU at 9:00 pm = 1.07 X 109 bacteria and E.coli at 11:00 am = 1 generation time. That means 2.66X 10^ 9 cells per 1 CFU.
The average CFU in probiotics is between 1 and 10 billion CFUs per serving. To find out the number of CFU in the sample then the number of colony forming units on thee countable plate is multiples by 1/FDF. For example when the countable place has 200 colonies then 200 CFU and the FDF was 1/4000.
CFU measures the viable cells.High number of E.coli bacteria in water indicates that contaminated by feces. and it increasing the risk of exposure to pathogens that causes illness.
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What is the name of the test used to determine if a bacterium can produce acetoin?
Tara has two dogs. they win many of the agility competitions they enter. these competitions test a dog's ability to run, jump, maneuver around and through obstacles, and follow complex instructions. these two dogs have a litter of puppies together. which description most correctly describes these puppies? the puppies are guaranteed to win agility competitions. with training, the puppies are likely to excel at agility competitions. the puppies will be born with the ability to complete agility competitions. without training. the puppies are no more likely to succeed at agility competitions than any other dog.
With training, the puppies are likely to excel at agility competitions
Agile dogs run, jump, and dart about gracefully. Some use their athletic skills to compete in agility trials.
What is agility ?A competitive canine sporting event called an agility trial involves dogs of different breeds navigating obstacles while being scored on their speed and accuracy. The purpose of agility courses is to show off a dog's athletic prowess, degree of conditioning, and readiness to cooperate with her handler. Physical acuity and mental focus are prerequisites for competitions.
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