Which of the four bases always go together?   a. A to C and T to G   b. G to C and A to T   c. A to G and T to C   d. All of the above go together.   e. None of the above go together.

Q: The double-helix model of DNA resembles a twisted ladder inwhich the rungs of the ladder area. a…

A: Friedrich Meischer discovered nucleic acids from the nuclei of pus cells and coined the term…

Q: Which of the following does not prove that DNA is the hereditary material based on the transforming…

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Q: A DNA molecule contains 30% G. What percentage of its bases are A?a. 30%b. 20%c. 15%d. 10%e. none of…

A: DNA (deoxyribonucleic acid) was discovered by Friedrich Miescher. Nucleotides are the structural…

Q: Stacking of bases in B form DNA 1. Is mostly interstrand. 2. Occurs  due to Van der Vaals…

A: Base stacking is an arrangement of bases in the 3D structure of DNA.

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A: Probability is the study of finding the possible outcomes in a total set of outcomes. Thus it tells…

Q: Which of the following is not a DNA sequence? a. TAG b. AUGAUUCT d. AAAAAAAAAA e. CGG

A: DNA is also called deoxyribonucleic acid. DNA acts as genetic material for almost every organism…

Q: In a DNA strand, a phosphate connects a 3′ carbon atom in onedeoxyribose toa. a 5′ carbon in an…

A: DNA is the main genetic material of living beings. In prokaryotes, it is present in association with…

Q: Consider the following relationships on the tree below: A & B, B & C, and C & E. List these three…

A: A tree like or comb like taxonomic relationship among different groups of organism is called…

Q: Which of the following does not describe a gene? A. A gene is the observable characteristics or…

A: DNA also called as deoxyribonuclei acid is the most important part of an individual that maintains…

Q: Which of the following is the complementary strand of a DNA strand made up of 32% cytosine?    A.…

A: Two strands of DNA are complementary to each other , if we know the sequence of one strand, we could…

Q: .Which of the following is true about mitochondrial DNA? a. It codes for more than 20% of…

A: Mitochondrial DNA is a circular and double stranded DNA that makes up approximately 1% of total…

Q: Which tree is supported by the data? Taxon Char-1 Sp-1* A Sp-2 A Sp-3 A Sp-4 A Sp-5 G Sp-1 Sp-2 Sp-5…

A: In the intricate realm of biology, the classification and evolutionary relationships among species…

Q: Which of the following strands of DNA (assuming it was bound to its complementary strand to create a…

A: DNA is a double helical structure that is it is made up of two strands wound around each other. DNA…

Q: . In the list of four terms below, which term is the second mostinclusive?a. Genome c. Chromosomeb.…

A: Sir Gregor Mendel was a priest and a teacher who did the famous hybridization experiment on garden…

Q: asmid differs from the bacterial chromosome in that it is

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Q: Chargaff’s rules state that the amount of A, T, G, and C in DNAa. varies from species to species,…

A: Step 1 There are two types of nucleic acids, deoxyribonucleic acid or DNA and ribonucleic acid or…

Q: I need help with a biology question: The rules for the pairing of nitrogen bases in DNA is Group of…

A: A nucleotide is one of the building blocks of nucleic acids (DNA and RNA). A nucleotide is made up…

Q: Hairpins are formed in DNA as a result of a. sequences on the same strand that are inverted and…

A: Intra-molecular base pairing in single stranded DNA or RNA leads to the formation of stem loop…

Q: Review the hereditary structures shown in the diagram. OOO O Structure X Structure Y What are the…

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Q: Which of the following DNA molecules is complementary to the sequence: 5'-ATTGCGTAC-3'? O a.…

A: Structure of DNA and how nucleotide bases pair with each other. DNA, or deoxyribonucleic acid, is…

Q: Chemicals used in transferring of pure DNA to plant cell is

A: When DNA enters into plant cell then it leads to formation of transgenic plants. This technique is…

Q: A nerve cell and a skin cell from the same person  have Group of answer choices A. different gene…

A: When fertilization occurs, the two cells ie the egg cells and the sperm cells fuse to form a zygote.…

Q: After 4 cycles of PCR, how many copies of DNA would be expected, if the original number of copies…

A: PCR which is also called as Polymerase Chain Reaction is a phenomenon  in which millions and…

Q: The genetic map below shows the location of three genes on a chromosome. Order the gene pairs based…

A: Gene mapping is the sequential allocation of loci to a relative location on a chromosome. Genetic…

Q: Which of the following are not responsible for increasing genetic diversity in an organism? Select…

A: Genetic diversity is the variations in the genetic makeup and characteristics of a species within a…

Q: Which of the following statements accurately describes DNA sequences and this subtypes?     A.…

A: DNA sequences exist in 3 categories on the basis of extent of repetition.

Q: O A B C D LL Which statement is true regarding the tree above? O A. A is more closely related to B…

A: Introduction :  A phylogenetic tree is a visual representation of the evolutionary connections…

Q: Which of the following is true? A. The stability of an RNA-DNA hybrid is generally tilted towards…

A: While the fibers in a twisted rope do interact with each other, the stability is attributed to the…

Q: Chargaff's analysis of the relative base composition of DNA showed us that   a. The amount of…

A: Chargaff's rule actually governs the structure of DNA and how it should the nucleotide bases should…

Q: Before we understood genetics, the process of passing traits from parents to children was known as……

A: Genetics was discovered by John Gregory mental and accordingly he is called as the father of…

Q: 1pt A test cross

A: Answer: The genotype of the purple-flowered plant is PP. Since white flowers are recessive, the only…

Q: The basic units of information that encode the proteins needed to grow and function as a living…

A: the basic unit of information that encodes the proteins needed to grow and function as a living…

Q: A sequence of DNA that provides coding information for the construction of proteins is called: A. an…

A: The question is asking for the term that describes a sequence of DNA that provides coding…

Q: Adenine, cytosine, guanine, and thymine are the nitrogenous bases found in the DNA of which…

A: DNA is a long polymer of nucleotides. A nucleotide is made up of three components which include:…

Q: What type of interaction between the base pairs serves as the "glue" to keep the two DNA strands…

A: A chemical bond is a lasting interaction between atoms or ions that enables the formation of…

Q: What will most likely be the effect of the change in the DNA molecule? *   A. the change will cause…

A: The DNA content of the organism represents the total genetic content and so the total genes present…

Q: a. 8 b. 23 c. 1024 d. 8,000,000 e. 46 32. Rosalind Franklin d. sequenced DNA molecules. D.…

A: Cell cycle, Interphase - G1, S phase , G2 phase  Mitosis Cytokinesis. Mitosis has 4 phases , they…

Q: Please read the scenario below and then answer the question (in bold) that follows. An original DNA…

A: An alteration to a gene's nucleotide sequence that is permanent is known as a genetic mutation. Most…

Q: Maple syrup urine disease is an autosomal recessive gene.  The R allele leads to a normal protein…

A: Maple syrup urine disease is autosomal recessive metabolic disorder that affect branched chain of…

Q: Melting Temperature (Tm) of a dsDNA molecule is the temperature at which a 100% of…

A: The correct answer is:c. 50% of the dsDNA exists in a single-stranded (denatured) form.…

Q: Which statement regarding DNA replication is false?   A. On a DNA strand that is being…

A: answer : On a DNA strand that is being synthesized, the 3' end is growing.

Q: The experiment of Erwin Chargaff proved that the number of adenines (A) and thymines (T) in DNA is…

A: There are four nucleotide bases in DNA, namely- Adenine (A), Thymine(T), Cytosine (C) and Guanine…