Biology question and answers for June 25, 2024
- Q There are no differences between the telophase cytokinesis in animal and plant cells True O False QUESTION 8 The plant pigment that provides yellow orange colors in plants is O...
- Q If a solid line represents a covalent bond and a dotted line represents intermolecular attraction which of the choices shows a hydrogen bond H N H O H H H...
- Q The energy that supplies all living systems on earth ultimately comes from what QUESTION 11 The alcohol during the DNA extraction is used to separate the DNA from all of...
- Q QUESTION 3 The chemical bond connecting one nucleotide with the next along one strand of a DNA molecule is called a glycosidic bond O hydrogen bond O phosphate bond O...
- Q As the two strands of DNA are unraveled which enzyme relieves the strain on the two strands O DNA polymerase O DNA ligase O DNA gyrase DNA endonuclease ODNA exonuclease...
- Q If 16 of the nucleotides in one strand of a DNA molecule contain the base G what percent of the nucleotides on the complementary strand will also contain the base...
- Q In eukaryotes translation takes place O on the plasma membrane O inside the nucleus Oon ribosomes O on the nuclear membrane on spliceosomes QUESTION 36 Ribosomes are complex aggregates of...
- Q The tRNA nucleotide sequence that pairs with bases on the mRNA is called a n intron O exon O codon O initiation factor Q anticodon QUESTION 40 When a polypeptide...
- Q Which base in an anticodon will pair with the base adenine in a codon O thymine O cytosine O guanine Ouracil QUESTION 34 A codon is composed of how many...
- Q Who proposed that the structure of DNA is a double helix with two polynucleotide chains running in opposite directions and held together by hydrogen bonding between pairs of nitrogenous bases...
- Q In eukaryotic cells transcription occurs on the surface of the nuclear membrane on ribosomes on spliceosomes inside the nucleus on the surface of the plasma membrane QUESTION 38 During replication...
- Q An organism has been found to contain a defective form of photolyase What function might be impaired in this organism r Lengthening of the tips of chromosomes Repair of DNA...
- Q QUESTION 29 The connection that exists between genes and hereditary traits is based on using the information encoded in genes to synthesize O codons O nucleotides O proteins O histones...
- Q During translation amino acids are carried to the ribosome by O mRNA O tRNA O snRNA O rRNA O miRNA QUESTION 32 RNA polymerase synthesizes a molecule of RNA using...
- Q During transcription of mRNA in eukaryotes some sequences are cut out of the primary transcript and the remaining sequences are joined together This processing of mRNA is called O termination...
- Q Xeroderma pigmentosum XP is a rare autosomal recessive disorder Patients with XP exhibit a cellular hypersensitivity to ultraviolet UV radiation a high incidence of skin cancer and premature aging Based...
- Q During DNA replication which enzyme removes the RNA primers and then fills in the gap O DNA pol I O DNA primase O DNA pol III O DNA ligase QUESTION...
- Q If 14 of the nucleotides from a DNA molecule contain the base T what percent will contain the base G 14 18 28 36 O 72 QUESTION 12 If a...
- Q The site where the two original DNA strands separate and active replication occurs is called the O replication fork replisome primosome lagging strand sliding clamp subunit QUESTION 14 During replication...
- Q Eukaryotic organisms speed up the process of DNA replication by O shortening the initiation phase O producing several sliding clamp complexes which provide more binding sites for DNA pol III...
- Q The lagging strand is replicated with a series of Okazaki fragments and that is why its synthesis is considered to be O discontinuous continuous bidirectional antiparallel semiconservative QUESTION 10 Which...
- Q QUESTION 5 Information obtained by Franklin from X ray crystallography on DNA suggested that it is shaped like a O helix O ribbon O hollow cylinder O pleated sheet O...
- Q The two strands of a DNA molecule contain nitrogen bases which are O identical O parallel complementary O proportionate O random QUESTION 8 Replication of DNA is conservative O redundant...
- Q First Name Complete the table Distilled water control Non enzymatic detergent Enzymatic detergent Answer the following questions 1 Are enzymes globular or fibrous proteins Circle your answer globular 2 Provide...
- Q Part 1 Complete the following statements with one of the words listed below Notice that there are more words than necessary to fill up all the blanks Some words might...
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