The building blocks of nucleic acids are nucleotides, which consist of a sugar molecule, ribose or deoxyribose, a phosphate group, and a nitrogenous base, adenine, guanine, cytosine, thymine, or uracil.
Nucleotides are the building blocks of nucleic acids, such as DNA and RNA. They consist of a sugar, ribose or deoxyribose, a phosphate group, and a nitrogenous base, adenine, guanine, cytosine, thymine, or uracil.
Nucleotides link together through phosphodiester bonds, forming the backbone of nucleic acid chains. The sequence of nitrogenous bases along the chain encodes genetic information. Adenine pairs with thymine or uracil in RNA, while guanine pairs with cytosine, creating complementary base pairs.
Nucleotides play a crucial role in storing and transmitting genetic instructions, serving as the foundation for DNA and RNA molecules.
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Answer:
A nucleotide is the basic building block of nucleic acids. RNA and DNA are polymers made of long chains of nucleotides. A nucleotide consists of a sugar molecule (either ribose in RNA or deoxyribose in DNA) attached to a phosphate group and a nitrogen-containing base.
I found this on google because I am not the best at explaining things but I hope this helps :)
Diffusion of oxygen and carbon dioxide across cell membranes occurs most during ventilation and internal respiration.
Diffusion is the net movement of anything generally from a region of higher concentration to a region of lower concentration. Diffusion is driven by a gradient in Gibbs free energy or chemical potential.
The three types of diffusion are - simple diffusion, osmosis and facilitated diffusion.
The kinetic energy of the molecules results in random motion, causing diffusion. In simple diffusion, this process proceeds without the aid of a transport protein.
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During interphase, a cell undergoes growth, DNA replication, and preparation for cell division in three stages: G1, S, and G2. The cell grows, synthesizes necessary proteins and organelles, and duplicates its DNA.
During interphase, the phase of the cell cycle in which a typical cell spends most of its life, several key events occur to prepare the cell for division. Interphase is divided into three phases: G1, S, and G2.
During the G1 phase, the cell grows and functions normally. Any cellular components that need to be replicated for cell division are also synthesized during this phase.
The S phase, or synthesis phase, is where the actual replication of DNA occurs. Each chromosome in the cell is duplicated to create two identical sister chromatids, which will eventually become separate chromosomes after cell division.
The G2 phase is the final stage of interphase where the cell continues to grow and makes final preparations for cell division, like replicating its organelles and making necessary proteins.
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B.A forest cut down by a logging company
C.A forest Flooded for a week following heavy spring rains
D.A forest decimated by an avalanche
The correct answer is (b) A forest cut down by a logging company.
The most common method of logging is clear cutting because it is economically profitable. When a logging company use clear-cutting to cut down the forest, they cut each and every tree by tools in such a way that there are very least chances that a whole forest will recover. The remaining parts of tree cannot grow again and thus cannot restore the forest.
b)paternity testing
c)environmental studies
d)biopesticide development
2.A patient is found to be suffering from a bacterial infection. Which genetically engineered medicine is most likely to be used to help this patient?
a)insulin
b)flu shot
c)penicillin
d)human growth hormone
The right options are;
1. a) pharmaceuticals
2. c) penicillin
Pharmaceuticals is a career that involves the production, discovery, development, and sales of drugs that are used as medications for treatment, vaccination or to reduce a symptom. Pharmaceuticals is a career that combines DNA technology and medicine.
Penicillins are a group of antibacterial drugs that attacks many bacteria. Penicillin are widely used, and are effective against many bacterial infections caused by staphylococci and streptococci. Penicillin include procaine penicillin, penicillin V (oral use), penicillin G (intravenous use), and benzathine penicillin (intramuscular use).