Polymerization of amino acids leads to formation of proteins. Amino acids are small molecules, composed of an amino group, a carboxyl group, a hydrogen atom, and an ‘R’ group.
During polymerization, two amino acids bind with each other with the help of peptide bond, which is formed between the amino group of one amino acid and carboxyl group of another amino acid.
Atoms of the same element that have the same number of protons but different numbers of neutrons are called what?
Which term describes a pond that can only support a population of 100 sunfish?
Answer:c
Explanation
wenis
In living organisms, lipids mainly function as :
A. Sources of stored energy and transmitters of genetic information
B. Transmitters of genetic information and catalysts of chemical reactions
C. Sources of stored energy and components of cellular membranes
D. Catalysts of chemical reactions and components of cellular membranes
In living organisms, lipids serve primarily as a source of stored energy and as components of cellular membranes. So, the correct option is C.
What are Lipids?Lipids are described as a broad group of naturally occurring molecules that include fats, waxes, sterols, fat-soluble vitamins, monoglycerides, diglycerides, phospholipids, and others whose main roles are as structural components of cell membranes, storing energy, signaling and doing work.
These are interpreted as molecules that contain hydrocarbons and form the building blocks of the structure and function of living cells, including fats, oils, waxes, certain vitamins (such as A, D, E, and K), hormones, and most There are Cell membrane that is not made of protein. In living organisms, lipids serve primarily as a source of stored energy and as components of cellular membranes.
So, the correct option is C.
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Which of these uses the principle of superposition of rocks to compare the age of fossils?
A. Carbon half-life
B. Radioactive dating
C. Relative dating
D. Uranium half-life
How is an emulsion different from a solution?
:The components are mixed unevenly instead of evenly within the emulsion.
:Insoluble instead of soluble particles are suspended within the emulsion.
:Two liquids that normally are not mixable are mixed in the emulsion.
:The components of an emulsion are single elements or compounds instead of a mixture of compounds.
Answer:
It's B.
Explanation:
Trust
when you put limp celery stalks in water, they firm up. WHY?
Limp celery stalks firm up in water due to the process of osmosis- water molecules moving into the dehydrated celery cells causing them to become rehydrated and firm.
Explanation:When you place limp celery stalks in water, they firm up due to a process called osmosis. Osmosis is a biological process that involves the movement of water from an area of lower solute concentration (in this case, the water) to an area of higher solute concentration (the limp celery stalk). The cells in the celery stalk are dehydrated, meaning they have a higher solute concentration than the water. When submerged in water, the water molecules naturally flow into the celery's cells, causing them to rehydrate and become firm again.
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(Select all that apply)
What can change if a liquid is stirred?
1.attractive forces between molecules
2.chemical bonds between the atoms of the molecules
3.position of the molecules
4.shape of liquid
Stirring a liquid changes the position of the molecules and the shape of the liquid but does not alter the attractive forces between molecules or the chemical bonds within the molecules. Liquids adapt the shape of their container due to cohesive forces, while solids are rigid.
When a liquid is stirred, the outcomes can include the change in the position of the molecules and the shape of the liquid. Stirring a liquid does not affect the attractive forces between molecules on a long-term basis; these forces are part of the liquid's characteristics and would only be temporarily disrupted by motion. Additionally, stirring will not break or form chemical bonds within the molecules, as these interactions occur during chemical reactions and require changes in energy that typically are not provided by simply stirring.
Liquids take the shape of any container they are poured into owing to cohesive forces among their molecules. On the liquid's surface, these forces are unbalanced, promoting a reduction in surface area which is why drops form spherical shapes. In contrast, solids maintain their shape because their molecules are arranged in a fixed, rigid structure held together by stronger intermolecular forces.
All neutral atoms and molecules exert attractive forces on each other, known as van der Waals forces. These include dispersion forces, which increase with molecular size, and can induce dipoles in adjacent atoms; dipole-dipole attractions; and hydrogen bonds, which are strong dipole-dipole interactions involving hydrogen bonded to highly electronegative atoms (F, O, or N).
insulin is a hormone produced to signal cells to uptake and use glucose for cellular repiration. would the gene for insulin be turned on or off after eating birthday cake? explain
The gene responsible for turning off and on insulin hormones is known as the INS gene. When it turns on the expression of insulin, the blood glucose is successfully broken down and derives energy.
Which gland is responsible for the secretion of insulin hormones?The gland that is responsible for the secretion of insulin hormone is known as Pancreas. It allows the body to regulate levels of sugar in the blood. The pancreatic beta cells play a key role in glucose homeostasis.
According to the context of this question, if the gene for insulin is turned off, the level of glucose in the blood gradually rises while it is not broken down into simpler forms in order to derive energy.
Therefore, the gene responsible for turning off and on insulin hormones is known as the INS gene.
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Which positive result could develop if carbon dioxide increases in the atmosphere? A. People breathe carbon dioxide, so Earth could support more human life. B. Plants give off carbon dioxide, so an increase in plant life could decrease world hunger. C. Carbon dioxide will protect people from the sun's radiation. D. Carbon dioxide will create more sunny weather, which is good for plant growth.
cytoplasm has been compared to jell-o. How does this comparison help you understand what it is?
How has the earth's system and life co evolved over time
Answer:
Explanation
What do cells and organisms have in common? A. They eliminate waste. B. They produce energy. C. They perform photosynthesis. D. They perform cellular respiration.
How is a fish similar to an oak tree
what two things are components of ribosomes
Ribosomes are composed of ribosomal RNA (rRNA) and proteins. These build large and small subunits that facilitate protein synthesis within cells. Eukaryotic and prokaryotic ribosomes differ slightly in size but share the same basic structure and function.
Components of Ribosomes
The two things that are primary components of ribosomes are ribosomal RNA (rRNA) and proteins. These components come together to form two subunits of the ribosome: the large subunit and the small subunit, necessary for protein synthesis in cells. Eukaryotic ribosomes, found in animal and plant cells, consist of 60S (large subunit) and 40S (small subunit). In contrast, prokaryotic ribosomes, such as those in bacteria, are slightly smaller, with 50S (large subunit) and 30S (small subunit).
Ribosomes function as molecular machines that facilitate the synthesis of proteins, translating mRNA instructions into polypeptide chains. They can be found free floating within the cytoplasm, or bound to structures such as the endoplasmic reticulum (ER) and nuclear envelope in the cell, acting as intercellular protein factories. This machinery is critical for the function of the cell, and by extension, the entire organism.
Explain two ways object can become electrically charged (not examples)
Final answer:
Objects can be charged by contact, where electrons are transferred through physical touch, or by induction, where a charged object causes an internal rearrangement of charges in a nearby neutral object without touching it.
Explanation:
Objects can become electrically charged in several ways, but two primary methods are charging by contact and charging by induction.
Charging by contact occurs when two objects are physically touched together, transferring electrons from one to the other. If one material holds onto electrons more tightly than the other, it can steal electrons when they are separated. For instance, rubbing your feet on a carpet can transfer electrons to your body, leading to an excess negative charge.
Charging by induction involves bringing a charged object near a neutral object, without physical contact. The presence of the charged object causes electrons within the neutral object to rearrange, producing a region of excess positive charge and a region of excess negative charge. If the object is then separated into two parts during this process, one part can end up with a net positive charge, and the other with a net negative charge.
All but one scientist was pivotal in making some type of discovery that led to our understanding of the basic nature of cells. That scientist is
Hans Krebs as the scientist who was pivotal in making some type of discovery that led to our understanding of the basic nature of cells.
Hans Krebs (25 August 1900 – 22 November 1981) was a British physician and biochemist born in Germany. He discovered that nutrients are broken down in our cells to release energy for the construction of cells
Answer:
Hans Krebs
Explanation:
To be considered valid, the results of a scientific experiment must be_______.
mathematically verified
simple
written in a scientific journal
repeatable
Repeatable
To be considered valid, the results of a scientific experiment must be repeatable.
Explanation;The reliability and validity of an experiment is that any results of a scientific experiment should be more than one-off finding and be inherently repeatable.Being repeatable means that other researchers should be able to perform exactly the same experiments, under the same conditions and generate similar results. Being repeatable ensures that the scientific community accepts the hypothesis of an experiment.
What are the main types of landforms? Please help!!
Thank you
What are the three domains in life
a) At what time of day is heat flow into the atmosphere (Hin) greatest?
The greatest heat flow into the atmosphere occurs around midday, 1200-1300 hr, when solar radiation and resulting insolation are at their peak.
The greatest heat flow into the atmosphere, or Hin, typically occurs around midday when the sun is highest in the sky, which is approximately 1200-1300 hr. This phenomenon is due to the fact that solar radiation is at its maximum during this time, resulting in the highest rates of insolation or incoming solar radiation.
As the earth absorbs this energy, it heats up and subsequently re-radiates heat back into the atmosphere, thus heating it. The atmosphere maintains this heat due to dry air being athermanous, meaning it allows luminous rays to pass through while retaining darker radiated rays. This process leads to a higher sensible heat transfer in the atmosphere, particularly evident in tropical and subtropical deserts where surface temperatures are highest, facilitating this convective heating of the air.
how does the fossil record provide evidence of the diversity of life?
hypothesis the germanization of radish seeds is affected by the chemistry of the soil
The aim of the given hypothesis is to determine the germination of radish seeds in different soil chemistry. The correct option is D.
What is seed germination?The process by which an organism grows from a seed or spore is known as germination.
Accumulation, respiration, the effect of light on seed germination, mobilization of reserves during seed germination, the role of growth regulators, and the development of the embryo axis into a seedling are all part of the seed germination process.
In the given scenario, it is the determination of radish seed germination in the different soil chemistry.
Thus, the correct option is D.
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