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.
What are the three domains in life
What are the main types of landforms? Please help!!
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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.
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.
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
(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).
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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How has the earth's system and life co evolved over time
Answer:
Explanation
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:
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Which term describes a pond that can only support a population of 100 sunfish?
Answer:c
Explanation
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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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Atoms of the same element that have the same number of protons but different numbers of neutrons are called what?