Amino acids are the compounds or building blocks that make up peptides and proteins. Each amino acid is structured from an amino group and a carboxyl group bound to a tetrahedral carbon. This carbon is designated as the α-carbon (alpha-carbon).
The answer choice of alpha carbon ranks the terms from the smallest to the largest amino acid chain as amino acids differ from each other with respect to their side chains, which are referred to as R groups. The R group for each of the amino acids will differ in structure, electrical charge, and polarity.
The hydrophobicity index is a measure of the relative hydrophobicity, or how soluble an amino acid is in water. In a protein, hydrophobic amino acids are likely to be found in the interior, whereas hydrophilic amino acids are likely to be in contact with the aqueous environment.
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If you are unable to get your bacterial slide to focus using the 10x objective lens, but it was focused with the 4x lens, what would be the first thing to try?.
You must clean the 10X lens firstly if you are unable to get your bacterial slide to focus using the 10x objective lens, but it was focused with the 4x lens.
The four objective lenses on your microscope are the scanning (4x), low (10x), high (40x), and oil immersion lenses (100x). The oil immersion lens, which is used to observe microorganisms and calls for technical instructions not addressed in this lab, is not something you will utilize in this one.
The eyepiece's ocular lens has a magnification in addition to the objective lenses. The sum of the ocular and objective lenses' magnifications is used to get the overall magnification. The 10x objective lens has to be cleaned first if your bacterial slide was focused with the 4x lens but is not focusing with the 10x objective lens.
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Question correction:
If you are unable to get your bacterial slide to focus using the 10X objective lens, but it was focused with the 4X lens, what would be the first thing to try?
Open the diaphragm. Adjust the height of the condenser. Clean the 10X lens. Turn the brightness of the lamp down.what types of cells are used when a bird reproduces with a caterpillar?
Phasianus colchicus is the cells used when a bird reproduces with a caterpillar. Birds reproduce by internal fertilization, during which the egg is fertilized inside the female. Like reptiles, birds have a cloaca, or a single exit and entrance for sperm, eggs, and waste. The male brings his sperm to the female cloaca. The sperm fertilizes the egg
The common pheasant is a bird in the pheasant family. The genus name comes from Latin Phasianus, the pheasant. The species name colchicus is Latin for Colchis, a country on the Black Sea where pheasants became known to Europeans
Caterpillars are basically the babies of moths and butterflies, so they don't reproduce. However, after they mature into their winged adult forms, they're free to mate and lay eggs that hatch into more caterpillars.
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Phasianus colchicus is the cells used when a bird reproduces with a caterpillar. Birds reproduce by internal fertilization, during which the egg is fertilized inside the female. Like reptiles, birds have a cloaca, or a single exit and entrance for sperm, eggs, and waste. The male brings his sperm to the female cloaca. The sperm fertilizes the egg.
Similar to mammals, birds begin reproducing when an egg, or ovum, in the oviduct comes into touch with a sperm cell. The fertilised ovum serves as the egg's nucleus and before it is laid, it is given a food supply (the yolk) and a protective shell.
Birds are vertebrate creatures that are members of the Class Aves and distinguished by having feathers, toothless beaks, and hard-shelled eggs. They are four-chambered, warm-blooded creatures with a fast metabolic rate. Each bird has wings and a flexible, light backbone.
Both birds and reptiles have internal fertilisation during sexual reproduction. They are both oviparous creatures. Oviparous animals lay their eggs outside of the female bodies, and the eggs are expelled, allowing the eggs to hatch. There is very little to no growth of the embryo inside the mother's body. In oviparous species, fertilisation can occur both inside and externally, but the young animal's growth is always external.
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In order for a cell to divide successfully, the cell
must first
Answer:
duplicate its genetic information (DNA)
Explanation:
Answer:it must duplicate and divide it's genetic content into two daughter cells
Explanation:
In which stage of the cell cycle where the majority of the cells present?
The stage of the cell cycle where most cells are present is the interphase.
What is the cell cycle?
The cell cycle is a cycle of the different stages cells passes through in their lifetime.
There are two main stages of the cell cycle:
The interphaseThe M or mitotic phaseDifferent sub-stages characterize both the interphase and M phase.
The interphase has G1, S, G2, and G0 substages while the M phase has prophase, metaphase, anaphase, and telophase substages.
Actively dividing cells move from the M phase to the G1, S, and G2 stages. Cells that are not actively dividing move from the M phase to the G0 phase.
In other words, the G0 phase is essentially a resting phase. Most cells are in this phase, except for cells that need to keep dividing.
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Is the seedling population at day 21 in hardy-weinberg equilibrium, or is evolution occurring?
(1) The population is evolving, and there appears to be selection against genotype CYCY based on the genotype frequencies at day 21 to the expected frequencies and the observed frequencies at day 7.
According to the Hardy-Weinberg equilibrium, if no unfavorable influences exist, genetic variation in a population will remain stable from one generation to the next.
The information indicates that at Day 21, the seedling population is changing. From Day 7 to Day 21, the allele frequencies have evolved. The CGCY genotype is being selected for, whereas the CYCY genotype is being rejected.
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Question correction:
Compare the genotype frequencies at day 21 to the expected frequencies and the observed frequencies at day 7. Is the seedling population at day 21 in Hardy-Weinberg equilibrium, or is evolution occurring?
The population is evolving, and there appears to be selection against genotype CYCY.The population is evolving, and there appears to be selection against genotype CGCG.The population is evolving, and there appears to be selection against genotype CGCY.The population is in Hardy-Weinberg equilibrium.The most important trigger for aldosterone release is the renin-angiotensin mechanism, mediated by the renal tubules True or false
The answer is true. The renin-angiotensin mechanism, which is carried out by the renal tubules, is the most significant catalyst for aldosterone release. Extracellular fluid is the term used to describe the fluid that cells store (ECF). Filtrate shouldn't contain blood proteins or blood cells since they are too big to fit through the filtering barrier.
What causes the renin-angiotensin system to become active?A dip in blood pressure (lower blood volume) often causes the RAAS to be activated in order to promote water and electrolyte reabsorption in the kidney, which makes up
In order to control blood pressure, the renin-angiotensin-aldosterone system also affects blood volume, salt absorption, potassium secretion, water absorption, and vascular tone. Inflammation, apoptosis, and fibrosis are a few more RAAS-related activities that have been mentioned.
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ANSWER ASAP!!!!! WILL MARK BRAINLIEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Which if the following are some of the applications of genetic engineering in various fields? (Choose all that apply)
producing insulin proteins from bacterial cultures
cloning humans so parents get the exact child they want
creating hydrocarbon chewers to help clean up oil spills
modifying corn plants to be resistant to certain herbicides
Answer:
modifying corn plants to be resistant to certain herbicides
Explanation:
hope that helps
Answer:
Modifying corn plants to be resistant to certain herbicides
Cloning humans so parents get the exact child they want
Explanation:
Group of cells that are similar in structure and work together to perform a common function are referred to as a(n):_________
What is photosynthesis?
G
Which statement about malaria is true?
a. Malaria is transmitted to humans through infection by the sporozoan "Plasmodium".
b. Malaria is carried by the female Anopheles mosquito.
C.
Malaria is caused by an animal-like protist.
d.
All are true.
All of the above statement provided are facts and characteristics about malaria, So The correct option is D.
Through the bites of female Anopheles mosquitoes that carries the parasites that cause malaria, people can experience this potentially fatal illness. It can be avoided and treated. The two most dangerous parasite species, Plasmodium falciparum and Plasmodium vivax, are among the five that cause malaria in humans.
Nearly half of the world's population is at the danger from malaria in 2020. Sub-Saharan Africa tops the list of the greatest number of cases and fatalities. However, there are also considerable numbers of illnesses and fatalities reported in the WHO regions of South-East Asia, Eastern Mediterranean, Western Pacific, and the Americas.
Thus, it is now concluded that Option D is the correct answer
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Which choice is not an example of a molecule?
O Mn
O H₂S
О КОН
O 03
help asp match them with the answer ILL GIVE BRAINILEST AND 17 points
Answer:
answer below
Explanation:
nuetron is nuetral charge
proton is positive charge
electron is negative charge
Edward jenner’s smallpox inoculation experiment was based on his observation that dairymaids who had had cowpox did not contract smallpox. How did jenner form his hypothesis from this observation?
Edward Jenner formed a hypothesis from his observation by formulating a tentative statement and checking for the hypothesis through experiments.
In the field of science, we can describe hypothesis as a tentative statement that is either true or false. To confirm a hypothesis, experiments are done and a result is deduced.
Edward Jenner used the same methodology. From his observation, Jenner was able to form a hypothesis that if a person is infected with cowpox, then he will not catch smallpox.
To test his hypothesis, he performed experiments that confirmed his results. Jenner formed his hypothesis by observing the cowpox and smallpox relation first and then making a tentative statement.
For the conduction of scientific experiments, the formation of a hypothesis is important.
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Answer:
He asked what would happen if he inoculated a person with cowpox fluid and then later with smallpox fluid.
Explanation:
Accurate recording of observations should be based on:
O impressions
O honesty
O ideas
Ofeelings
Answer:
Honesty
Explanation:
Hope this helps :)
______ plants are divided into flowering plants and non flowering plants
Answer:
Phanerograms (Phanerogramae)
Explanation:
The seed bearing plants can be classified into two groups: Gymosperms and Angiosperms. The gymnosperms generally have hidden seed and angiosperms have special reproductive organs like flowers. They also show double fertilization and triple fusion.
Lysosomes function in the destruction and recycling of old organelles. group startstrue or false
Lysosomes function in the destruction and recycling of old organelles. This statement is TRUE.
What are Lysosomes?
Animal cells have membrane-bound organelles called lysosomes. Though there is considerable disagreement on the subject, it is believed that some plant cells include lysosomes. They have a single phospholipid bilayer–containing outer membrane. The hydrophilic half of the phospholipid bilayer adores water, whereas the hydrophobic half avoids it. The membrane is made up of acids and enzymes that can break down and digest macromolecules. Nucleic acids, artificial polymers, and proteins are examples of macromolecules, which are molecules containing a huge number of atoms.
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why does copper carbonate change it's colour from grreen to black on heating
Copper carbonate change its color from green to black on heating due to the decomposition reaction which takes place during the process.
What is Decomposition reaction?This type of reaction requires the input of energy and is characterized by the reactant being broken down into two or more simpler products such as in the case of the compound known as copper carbonate.
The decomposition reaction of copper carbonate into Copper oxide and Carbon dioxide which can be seen in the formula given below:
CuCO₃ ⇒ CuO + CO₂
Copper oxide is black which explains the color change from green to black in the reaction.
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What are plastids? Where are they found? Name their types.
Answer:
Plastids are present only in plant cells there are two type of plastids chromoplast and leucoplast chromoplast containing the green pigment are known as chloroplast chloroplastor important for photosynthesis chloroplast also contain various Yellow or Orange pigments in addition to chlorophyll lucoplast are the primary organel is in which the material such as starch oil and protein granules are stored the internal organisation of chloroplast consists of numerous membrane layers embedded in material called stroma these are similar to mitochondria in external structure plastic also have their own DNA and ribosomes.
Some inborn determinants of health include? both genetic make-up and age social status genetic make-up age
Some inborn determinants of health include both genetic make-up and age
What are the five factors that affect health?Numerous elements may be grouped into five major categories known as the "determinants of health" to better understand how they affect health: heredity, behaviour, environmental and physical impacts, medical treatment, and social factors. These five groups are linked to one another.
Health outcomes are significantly influenced by social variables, particularly for the most disadvantaged groups. When giving therapy and care, it is important to take the patient's surroundings, education, and financial situation into account.
the variety of circumstances that affect a person's health state. the variety of individual, social, economic, and environmental elements that affect an individual's or a population's health.
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Use lesson concepts to complete the diagram to show the outcome of communication among scientists.
Space 1:
Space 2:
Space 3:
Space 4:
Answer:
where are thenquewtions
Explanation:
I don't understand if you tell me straight I'll tell you that right annswer
Plant cells covert sunlight (solar energy) into usable chemical energy (glucose). When we eat plants our bodies are using that chemical energy. What elements are rearranged to make glucose in plants?
A). Water and oxygen
B). Carbon dioxide and sunlight
C). Carbon, hydrogen, and oxygen
D). Carbon, oxygen, and solar energy
Answer:
B
Explanation:
Took the test
ASTRONOMY 20 POINTS
Why were the phrenological studies conducted by Dr. Franz Joseph Gall discredited in the nineteenth century?
A. Most of the confirmed hypotheses were found to be fabricated
B. Dr. Gall announced that his research was done incorrectly
C. Scientists were worried that the experiments would encourage racism
D. The descriptions within the observations were not testable and objective
Most of the confirmed hypotheses found to be fabricated were the phrenological studies conducted by Dr. Franz Joseph Gall discredited in the nineteenth century. Phrenology was a popular pseudomedicine in the late 19th century that posited measurements and other characteristics of the human skull determined different aspects of a person's actions and personality.
Answer A is correct.
Phrenology was mostly discredited as a scientific theory by the 1840s. This was due only in part to a growing amount of evidence against phrenology. Phrenologists had never been able to agree on the most basic mental organ numbers, going from 27 to over 40, and had difficulty locating the mental organs.
Gall believed that bumps on the surface of the brain could be detected by feeling the bumps on the surface of an individual's head. 1 He suggested that the bumps, indentations, and overall shape of the skull could be linked to different aspects of a person's personality, character, and abilities.
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Most of the confirmed hypotheses found to be fabricated were the phrenological studies conducted by Dr. Franz Joseph Gall discredited in the nineteenth century. Phrenology was a popular pseudomedicine in the late 19th century that posited measurements and other characteristics of the human skull determined different aspects of a person's actions and personality.
By the 1840s, phrenology had lost much of its credibility as a scientific hypothesis. This was only partially caused by mounting evidence that refuted phrenology. [40] Phrenologists struggled to locate the mental organs and were never able to agree on even the most basic mental organ counts, which ranged from 27 to over 40. Organ placement was determined by phrenologists using cranioscopic readings of the skull. According to research performed by Jean Pierre Flourens on pigeon brains, the loss of some brain regions either had no effect on function or resulted in the loss of a function entirely unrelated to that which phrenology had assigned to that region. Although not flawless, Flourens' experiment appeared to show that Gall's purported organs were fictitious.
Since phrenology was used by businesspeople to abuse the middle and working classes, scientists had also lost faith in it. The popularisation of phrenology led to its simplicity and the incorporation of physiognomic principles, which Gall had initially dismissed as a personality predictor. From the beginning, phrenology was tarnished by claims that it promoted materialism and atheism and undermined morals. All of them contributed to the demise of phrenology. Recent research have further debunked phrenology claims utilising cutting-edge technologies like magnetic resonance imaging.
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The answers in the blanks the answers in the blanks the answers in the blanka
Answer:
1. abiotic
2.abiotic
3. biotic
4.abiotic
5.biotic
6.abiotic
7.abiotic
8.abiotic
9.abiotic
10.biotic their all abiotic
Explanation:
hope it helpsss
In a crisis, the sympathetic nervous system of your ans is highly adaptive because it prepares you for?
In a crisis, the sympathetic nervous system of your Ans is highly adaptive because it prepares you for fight or flight
Define nervous system.Your nervous system serves as the control panel for your body. Your motions, thoughts, and automatic reactions to the environment are all controlled by this system, which is located in your brain. Other bodily functions and systems, such digestion, respiration, and sexual development, are also under its control (puberty).
What are the two main component of nervous system?The Central Nervous System (CNS) and the Peripheral Nervous System (PNS) are the two primary parts of the nervous system (PNS).
The PNS is made up of the lengthy nerve fibers that connect the spinal cord to the rest of the body, whereas the CNS is made up of the brain, brainstem, and spinal cord. The somatic and autonomic nervous systems are the two divisions of the PNS. The sympathetic and parasympathetic nerve systems are a further division of the autonomic system.
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how ocean temperature affects the climate of an area
Answer:
Water's High Specific Heat Capacity
Explanation:
Water is able to absorb large amounts of heat with little to no change in temperature for itself. Therefore, when warm air flows over the ocean, the water absorbs the heat from the air and releases cool air instead. This allows coastal environments to be cooler than other areas.
In 2008, british retailer marks & spencer introduced a slogan "plan a. Because there is no plan b. ", which included a five year 100 point ecological plan to tackle some of the biggest challenges facing its business. The plan included working with customers and suppliers to combat climate change, reduce waste, safeguard natural resources and trade ethically. Their plan seems to correspond most with the concept of.
The inclusion of customers and suppliers to reduce waste, protect natural
resources and do ethical business are parts of sustainable development.
Sustainable development is the usage of natural resources for the human needs in a way that will preserve the environment that produces the resources so they can be used in the future. Scientists argue that sustainable development has many more benefits and that it also maintains biodiversity, ensures future resources for economic stability, encourages greater efficiency and often reduces the impact of natural disasters.
The main features of sustainable development are follows:
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I have three electron shells ,and one valence electron , who am I .
Answer:
lithium atom have three electron shells
Population growth and change is most immediately experienced as changes in the ratio of:________
What creates a sense not only of enclosure and connection, but also movement and direction?.
Implied line conveys a sense of direction and mobility in addition to enclosure and connection.
An inferred line is what?
An inferred line often depicts a little change in plane.
They are all implied by variations in color, tone, and texture as well as by the edges of objects.
A viewer's path to follow a figure's sight is illustrated here. It directs the viewer's gaze without actually displaying a line.
For instance, in portrait drawing, an inferred line is sometimes utilized across the nose's bridge or along the jaw to make it look more like the edge of a box.
thus, this creates a sensation of movement and direction as well as confinement and connection.
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In cladistics, biologists attempt to place species into groups that each include an ancestral species and all of its descendants. A group that is paraphyletic fails to accomplish this goal in what way?.
This purpose is not achieved by a paraphyletic group. It includes of an ancestral species and a few of its descendants, but not all of them.
Describe paraphyletic:In evolutionary biology, the term "paraphyletic" is used to define a group of animals that shares a common ancestor and some of the descendants, but not all of them. A group of creatures is said to be paraphyletic if any of its members have been classified as members of another group for unknown reasons.
Example of Paraphyletic:The reptilian group, which includes birds as well as turtles, tuataras, lizards, snakes, crocodiles, and other dinosaur-like reptiles, is possibly the most convincing example of a paraphyletic group. construction of a separate avian community (Aves).
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