The function of biological macromolecules is that it helps in the growth and in the reproductive processes which occur in cells.
What is a Biological macromolecule?
These are cellular components of the body and are usually organic whose main function is to ensure that an organism is in good health and shape thereby bolstering its chances of survival.
There are different types of biological macromolecules and they include the following below:
CarbohydrateProteinFats and oil etc.Carbohydrate which is an example ensures that energy is made available to the cells so as to enable them perform their daily activities while protein helps in the growth and repair of worn out tissues.
Their existence ensures that organisms don't die out or go extinct which is why it is a very important component of the ecosystem.
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Electrons have a charge of
Answer:
-1
Explanation:
Neuroscientists study the nervous systems of other animals such as slugs, snails, fruit flies, rats and monkeys because:_______.
Neuroscientists study the nervous systems of other animals such as slugs, snails, fruit flies, rats, and monkeys because all animals are related so if we study them we will know more about human brain.
A neuroscientist is someone who is curious about the human brain, its functions, physiology, morphology, how it behaves etc. They study all the facts and acquire knowledge by working on different projects including different insects and animals to unravel the mysteries of human mind.
The study revolves around the functioning of the nervous system and all of its different cells that are involved and the people that study them are called neuroscientist, who may or may not be a person from the medicine stream.
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How does the shape of red blood cells best represent the relationship between structure and function?
A purple blood mobileular has what's referred to as a biconcave form. Both facets of the mobileular's floor curve inward just like the indoors of a sphere. The shape is known as biconcave disk.
This form aids in a purple blood mobileular's cappotential to move via tiny blood vessels to supply oxygen to organs and tissues.The round erythrocyte is synthesized with inside the bone marrow with inside the mammals that's biconcave in shape.
After synthesis, the nucleus is eliminated through the manner known as nucleation. The absence of a nucleus lets in the crimson blood cells to incorporate greater hemoglobin and as a result convey greater oxygen.
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What kind of protein structure is achieved when alpha-helical or beta-pleated regions of the polypeptide chain fold upon one another to produce a compact ball-like, or globular, molecule?
When alpha-helical or beta-pleated sections of the polypeptide chain fold over one another to form a compact ball-like, or globular, molecule, the protein structure is said to be tertiary.
What section of the polypeptide chain results in the formation of the alpha-helix or beta pleated sheets?The bonds that occur between every fourth amino acid in the alpha helix twist the chain of amino acids. The "pleats" in the -pleated sheet are created by hydrogen bonds forming between atoms on the polypeptide chain's backbone.
Beta-Pleated sheets and alpha-Helixes are examples of a protein's secondary structure. Both of them are created by hydrogen bonds between the amino H and carbonyl O of different amino acids.
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"_____ can fight some bacterial diseases.
Antibiotics can fight some bacterial diseases.
Antibiotics are the medication specially produced to fight the bacterial diseases. They can either kill the bacteria or slow their growth inside the host body. Some examples of antibiotics are: penicillin, cephalosporins, tetracycline, etc.
Bacterial diseases are those caused by the bacteria. These can be present outside the body and cause infection or may be present inside. The examples of diseases are: Tuberculosis, Anthrax, Tetanus, Leptospirosis, Pneumonia, etc. Some of the general symptoms of the bacterial disease are: fever, chills, cough, redness or swelling in some part of the body, vomiting, stomach pain, etc.
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Tetraploidy may result from:____.
a. lack of cytokinesis in meiosis ii
b. nondisjunction in meiosis i
c. lack of cytokinesis in mitosis
d. nondisjunction in mitosis in the early embryo
e. none of these
Tetraploidy may result from
(c)lack of cytokinesis in mitosis and
(d) nondisjunction in mitosis in the early embryo.
What exactly are tetraploidy and triploidy? Tetraploids are they fertile?Triploidy happens quite frequently, whereas tetraploidy is an uncommon chromosomal anomaly. In the first trimester, the majority of triploid embryos miscarry. The conceptus has a triploid karyotype in about 20% of first-trimester spontaneous abortions, according to the research. Chromosome duplication in a somatic cell of an early cleavage-stage embryo, a postzygotic event, is the most likely cause of tetraploidy. A rare diploid ovum may be fertilised by a similarly rare unreduced sperm.
Although the tetraploid form on the left is self-fertile, crosses with the parent diploid form result in sterility. It might then be broadly regarded as a new species, or at the very least the building blocks for the eventual emergence of a new species.
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The ash clears and several months go by. What do you think will happen to your ecosystem?
. About how long ago did Archimedes live?
A. 2,260 years ago
B. 2,000 years ago
C. 250 years ago
D. 2,000,000 years ago
How does the bottleneck effect undermine the effort of conservation biologists who are trying to save species nearing extinction?.
The bottleneck effect undermines the effort of conservation biologists who are trying to protect species nearing extinction by events such as floods, earthquakes, human habitat devastation, and drought can cause a population to drastically decline.
The bottleneck effect can undermine the conservation of efforts of biologists who saves species near extinction when the population’s size is drastically reduced due to environmental factors including starvation, earthquakes, floods, fires, disease, and droughts as well as human behaviors like speculative killing, widespread violence or planned to cull, and human population control. As a result, a smaller population with less genetic diversity is left to transmit genes to future generations of offspring through sexual reproduction.
Such events can reduce the variation in a population’s gene pool. Genetic diversity continues to be reduced, only gradually rising over time when random mutations take place or only when gene flow from another group happens.
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When the art of one age has so defined the characteristics of human beings that it can speak eloquently to another age, we call this ________.
When the art of one age has so defined the characteristics of human beings that it can speak eloquently to another age, we call this universal. The most numerous and ubiquitous species of primates, humans (Homo sapiens) are distinguished by their bipedalism and enormous, complex brains. This has made it possible for the advancement of culture, language, and tools.
Humans are highly social creatures who want to live in elaborate social systems made up of a variety of coexisting and conflicting groupings, ranging from families and kinship networks to political states. Human social interactions have produced a vast range of values, social conventions, and eloquently that support human society.
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Very small, rocky bodies that orbit the sun are called _______. group of answer choices
Meteoroids are incredibly tiny, stony bodies that revolve around the sun. As with planets, asteroids, and comets, rocks or iron chunks called meteoroids orbit the sun.
As a meteoroid enters the atmosphere, friction warms it up, producing a brilliant trail of hot ionized gases (plasma) known as a meteor. If the item survives both its entry into the atmosphere and its landing on the ground, it is referred to as a meteorite. Asteroid pieces make up more than 99 percent of meteorites. A tiny group is known to have come from the moon, and another group is widely believed to have originated on Mars. Although it hasn't been proven conclusively, there is also grounds to think that some are pieces of comets rocky debris.
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The various chemical signals of the immune response, which include small proteins like histamine, are collectively called:________
The various chemical signals of the immune response, which include small proteins like histamine, are collectively called cytokines.
Histamine is a nitrogenous compound that serves multiple purposes inside the human body. It acts as a neurotransmitter, it also takes part in immune responses, and it also regulates some functions inside the gut. The inflammatory response of histamines produces itching.
Cytokines are a class of proteins involved in the cell signaling processes. They regulate the growth of various immune cells in the body. The examples of cytokines are: interferon, interleukins, growth factors, etc. The cytokines are synthesized by the T cells and macrophages.
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Which of your specimens (bacteria, algae, fungi or protozoa) was largest when viewed through the microscope?
Fungi specimen will be the largest when viewed through Microscope.
Fungi- Any of the about 144,000 species of fungi, which also includes yeasts, rusts, slime molds, mildews, and mushrooms. Additionally, there are several fungus-like species that do not actually belong to the kingdom Fungi but are frequently referred to as fungi, such as slime molds and oomycetes (water molds).
Microscope- It describes an optical device that enlarges an item using a lens or combination of lenses. They aid in viewing many creatures as well.
Lens- A piece of glass, or another transparent substance, having curved sides used alone (as in a magnifying glass) or in combination as in a telescope or microscope.
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A group of similar organisms capable of interbreeding and producing fertile offspring is:______
A group of similar organisms capable of interbreeding and producing fertile offspring is called species.
What is species?
A species is an organism's fundamental unit of classification, taxonomic rank, and biodiversity. A species is the largest collection of organisms in which any two people of the appropriate sexes or mating types can conceive a fertile offspring, typically through sexual reproduction. All species are given a two-part name, or "binomial," with the exception of viruses. The genus to which the species belongs is the first component of a binomial. The specific name or specific epithet is the second component (in botanical nomenclature, also sometimes in zoological nomenclature). For instance, the Boa constrictor is a species of the genus Boa, and constrictor is its epithet.Learn more about the Nomenclature with the help of the given link:
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Scientists have proposed that chloroplasts and mitochondria arose by a process called , in which a smaller cell comes to live inside a larger cell.
Scientists have proposed that chloroplasts and mitochondria arose by a process called Endosymbiosis, in which a smaller cell comes to live inside a larger cell.
Endosymbiosis is a symbiotic connection in which one organism lives inside the other. The term "primary endosymbiosis" describes the first time an ancient eukaryotic cell internalized prokaryotes, giving rise to the mitochondria and chloroplasts.
Symbiotic- A tight ecological link between members of two (or more) distinct species is known as symbiosis. One species may gain from a symbiotic connection at the expense of the other, or both species may benefit only sometimes. The most famous example of symbiotic relationship is Lichen.
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The cori cycle involves formation of glucose made by gluconeogenesis in the liver from lactic acid produced by fermentation in skeletal muscles. true false
The cori cycle involves formation of glucose made by gluconeogenesis in the liver from lactic acid produced by fermentation in skeletal muscles.- True.
Gluconeogenesis is the process of formation of glucose from non carbohydrate sources like amino acids, glycerol and lactate.
The process fermentation occurs in the muscles when it is working continuously and anaerobic condition occurs and lactate is produced.
Cori cycle is a metabolic pathway present in our body in which their is conversion of lactate produced by the muscles back into glucose in the liver and is transported back to the muscle for utilization.
It usually occurs when is muscle to doing heavy work in anaerobic condition.
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During osmosis, water diffuses across a selectively permeable membrane from the region of higher.
In osmosis, water moves from their region of higher concentration to lower concentration, through selectively- permeable membrane.
This process takes place until the concentration is equal or it reached equilibrium. The movement of nutrients and the discharge of metabolic waste products are both influenced by osmosis. It Is in charge of absorbing water from the soil and transferring it through the xylem to the plant’s upper portions.
There are three types of osmotic solution, they are:-
Isotonic solutionHypertonic solutionHypotonic solutionWhen a semipermeable membrane separates a solution from pure water, the pressure that must be supplied to the solution side to cease fluid movement is known as osmotic pressure.
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Amino acids that must be obtained through food and cannot be synthesized in the body are called?
All of the actinoids are:
Answer:
Option three
Explanation:
Radioactive elements
WILL GIVE BAINLESTTTT
The algae beads provide a convenient experimental system because they are uniform in size and contain roughly the same number of algal cells per bead. Why are these advantages for the experiments you will perform?
Answer:
We will be measuring rates of photosynthesis and cellular respiration and these rates will depend on the number of organelles, or cells, that we use. The algae beads are easy to see, manipulate, and count. A consistent number of beads queal a consistent number of alga cells.
Explanation:
Which blood vessels lack elastic tissue? arterioles and capillaries capillaries and venules muscular arteries and arterioles venules and veins
Capillaries and venules
Capillaries and venules are the blood vessels that lack elastic tissue.
The smallest veins, called venules, take blood from capillaries. They contribute to the exchange of nutrients and oxygen for water-based products. Between the capillaries and the venules are post-capillary sphincters. Due to its extremely thin wall and susceptibility to rupture when overloaded, the venule.What branch are capillaries and venules?The smallest blood vessels, known as arterioles, eventually branch out to form tiny capillaries, which are where nutrients and wastes are exchanged. Venules are then formed, which are tiny blood vessels that transport blood to veins, which are larger blood vessels that bring blood back to the heart.Do capillaries have venules that empty blood?In a tissue, capillary clusters come together to form venules, which are tiny veins. Blood is drawn from capillaries by venules, which then enter veins.To learn more about capillaries visit:
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Which solution (s) is/are hypotonic? Check all that apply.
iodine
distilled water
0.85% normal saline
water from Elodea dish
10% saline
The solution which is hypotonic is referred to as 0.85% normal saline and is denoted as option C.
What is a Hypotonic solution?This is referred to as a type of solution which has a lower amount of solutes when compared to other solution and also has a lower osmotic pressure than another solution when comparison is done.
On thew other hand, hypertonic solution has a higher amount of solutes when compared to other solution and an example is 10% saline which means Sodium chloride is more abundant in the solution.
Examples of hypotonic solution include 0.85% normal saline while isotonic solution has same or equal concentration and examples include iodine,distilled water etc which is therefore the reason why option C was chosen as the correct option.
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What elements were formed during the process of nuclear fusion in stars and supernova?
In the centres of most stars, lighter elements like hydrogen and helium are fused to form the most prevalent elements, such as carbon and nitrogen. However, only large stars that die in supernova explosions may produce the strongest elements, including iron.
Large nuclear reactors make up stars. Massive atomic collisions that tear apart atoms in the centre of stars change their atomic structure and unleash a great amount of energy. The result is hot and brilliant stars. Stars are powered by nuclear fusion, an atomic reaction. Because they are so strong, supernovae produce brand-new atomic nuclei. When a big star collapses, a shockwave is created that may trigger fusion reactions in the star's outer shell. Nucleosynthesis, a process that results from these fusion processes, produces fresh atomic nuclei.
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Aubrey was born with a disorder that interferes with her body‘s metabolism. how will this type of disorder most likely affect aubrey‘s body?
These procedures comprise those that digest the nutrients in Aubrey meals as well as those that help our bodies grow and heal.
What are some conditions and diseases that affects the metabolism?The conditions and diseases that affects the metabolismhypercholesterolemia in families.Gaucher illnessHunter disease.Krabbe disease.Urinary maple syrup diseaseMolecular leukodystrophyStroke-like events, lactic acidosis, and mitochondrial encephalopathy (MELAS)Niemann-Pick.
The term "inherited metabolic diseases" refers to a variety of medical illnesses that are brought on by genetic flaws that interfere with the body's metabolism and are typically inherited from both parents. These issues might also be referred to as inborn metabolic errors.
Additionally, some chemical reactions convert compounds that your body lacks or breaks down those it no longer requires.
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What were the three key observations made by darwin that allowed him to deduce that natural selection is a primary driver of evolution?.
The three point which deduce that natural selection is a primary driver of evolution are:
More offspring are produced than survive by organisms.Population members differ from one another, andThe relative frequency of advantageous variants rises with time.Natural Selection- An evolutionary mechanism is natural selection. Environment-adapted organisms have a higher chance of surviving and dispersing the genes that contributed to their success. Over time, this mechanism leads to the evolution and divergence of species.
Genes- The fundamental genetic component transferred from parent to child. Genes are composed of DNA sequences and are organized sequentially at specified sites on chromosomes in the cell nucleus.
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When electrons are removed from a food molecule, the molecule is? a. conducting an endergonic reaction. b. polymerized. c. in equilibrium. d. reduced. e. oxidized.
When electrons are removed from a food molecule, the molecule is (e) oxidized.
Electrons are the sub-atomic particles that surround the nucleus in an atom. The charge of an electron is e = 1.60217663 × 10-19 coulombs. The electrons are negatively charged, They can occur in free state as well. Electron itself is made of quanta of energy.
Oxidation is gain of oxygen atom. However, for being oxidized, not always oxygen has to be gained. The loss of electrons is also oxidation. This results in the increase in oxidation state. Loss of hydrogen atom is also oxidation. For example formation of magnesium oxide involves oxidation of magnesium.
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Aspartate and glutamate are two amino acids that are highly soluble in water. this is best explained by the fact that they __________.
Aspartate and glutamate are two amino acids that are highly soluble in water. This is best explained by the fact that they have electrically charged side chains or R groups.
What is Amino acid?Amino acids are organic compounds that consists of both amino and carboxylic acid functional groups. Hundreds of amino acids exist in nature, the most prevalent are the alpha-amino acids, which comprise proteins. Out of many only 22 alpha amino acids appear in the genetic code. Amino acids are the building blocks of proteins. When proteins are digested or broken down, amino acids are leftover. Our human body uses amino acids to make proteins which helps the body to break down food.
The nature of side chains or R groups determines how soluble each amino acid is in water.
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During the citric acid cycle, an acetyl coa molecule produced in the intermediate stage combines with a molecule of:_______
During the citric acid cycle, an acetyl co A molecule produced in the intermediate stage combines with a molecule of oxaloacetic acid.
The primary energy source for cells and an important part of aerobic respiration is the tricarboxylic acid (TCA) cycle, sometimes called the Krebs or citric acid cycle. This cycle converts the chemical energy of acetyl-coenzyme A (acetyl-CoA) into the reducing power of nicotinamide adenine dinucleotide (NADH), which is further oxidized and enters the TCA cycle as acetyl-CoA. The intermediate half of the cycle also serves as the starting point for pathways leading to important molecules such as fatty acids, amino acids, and porphyrins. If any of these intermediates are diverted in this way, the integrity of the cycle is compromised and the cycle ceases to function. Only when the diverted intermediate, or the subsequent intermediate leading to oxaloacetate, is replaced by a replenishment (replenishment) process can significant energy production resume.The correct answer is oxaloacetic acid.
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Fluid first enters the nephron as __________, and the fluid that leaves the nephron and enters the ureters is __________.
The nephron consists of the renal corpuscle or glomerular capsule, and the renal tubule.
The renal corpuscle is?A renal corpuscle—also called a malpighian body—is the portion of the kidney's nephron that filters blood. A glomerulus, or group of endothelial-cell-lined capillaries, and a glomerular capsule, also known as Bowman's capsule, make up the structure.
The glomerular capsule is the first part of the nephron to filter substances out of the blood and into the renal corpuscle.
The glomerulus is encased in a cup-shaped sack called Bowman's capsule, which is a component of the nephron. The "Bowman's space" in Bowman's capsule, which is connected to the proximal convoluted tubule of the nephron and serves as the start of the urinary space, is enclosed.
As blood enters the Bowman's capsule in the nephrons, excess fluids including water, salt, and metabolic waste products are drawn out of the blood. Glialular filtrate is the name of the fluid found in the Bowman's capsule. Except that it contains almost no protein, it is comparable to blood plasma.
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The discovery of ribozymes provide evidence that life on the early earth may have been based on:________
The discovery of ribozymes provide evidence that life on the early earth may have been based on RNA.
Ribozymes are the RNA molecules with the capability of performing catalysis. They are, therefore, also called catalytic RNA. Ribozymes are present in ribosomes where the catalyze the joining of amino acids to form polypeptides.
RNA is the transcript of DNA. These are usually single-stranded structures. There are majorly three types of RNA: m-RNA, t-RNA and r-RNA. The difference from DNA is that in RNA, ribose sugar is present instead of deoxyribose and it consists of uracil as the nucleotide. Translation of m-RMA forms the protein.
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