Biology question and answers for January 13, 2024
- Q Cyanide, azide, and carbon monoxide interfere with theactivity of _hemeALL OF THESEComplex IViron
- Q Kevin is in high school. First period is chemistry, and he has a quiz in class tomorrow. Kevin is reallytrying hard to remember all the new information he has learned...
- Q Choose the correct option among the following (1) Lyophilic sols are reversible sols (2) Lyophilic sols are more stable than lyophobic sols (3) Lyophilic colloids are used to protect lyophobic...
- Q This cell type contains lysozomes that enable the breakdown of bacteria through phagocytosis. The cell has a multilobed nucleus and visible cytoplasmic granules. This cell type is the most abundant...
- Q In eukaryotic cells, ribosomes are found both free in the cytosol and attached to the endoplasmic reticulum (ER). Proteins produced on the attached ribosomes are delivered to the ER, while...
- Q Which among the following is considered the basic unit of life?CellsTissuesOrgansOrgan systems
- Q The body's functions are all done by __ tissues.samesimilaronly one type ofdifferenttissues.
- Q The diagrams below display different types of cells as viewed by a microscope under low magnification.These diagrams demonstrate how cells can be differentiated by theirA. modes of locomotion.B. means of...
- Q Which of the following pairs is mismatched?A) Mitochondria-ATP productionB) Golgi complex - modification and packaging of newly made proteinsC) Rough endoplasmic reticulum - protein synthesisD) Nucleus - location of genetic...
- Q Which of the following is not true of prokaryotic cells?A) They usually have a cell wall.B) They reproduce by binary fission.C) They may move using cilia.D) They may be motile...
- Q Which of the following is NOT able to readily diffuse across the plasma membrane without the aid of a transport protein?carbon dioxidesmall hydrophobic moleculesoxygenlarge polar moleculessmall ions
- Q You have a DNA sequence that codes for a protein and is 105 nucleotides long.A frameshift mutation occurs at the 85th base in the nucleotide sequence. Howmany amino acids will...
- Q What of the following statements are tenets of cell theory?all living organisms are composed of cellsall cells come from pre-existing cellsall cells have DNA contained within a nucleusall cells have...
- Q What is the sequence of organelles for a protein to be synthesized and secreted out of an Eukaryotic cell?Rough ER-> Golgi apparatus > Plasma membraneSmooth ER-> Plasma membrane-> Food vacuoleNucleus...
- Q This organelle packages proteins for dispersal throughout the cellmitochondriongolgi apparatusperoxisomecontractile vacuolelysosome
- Q Which of the following describes the difference between phagocytosis and receptor mediated endocytosis?A. only phagocytosis is mediated by vesiclesB. only receptor-mediated endocytosis is mediated by vesiclesC. only phagocytosis is described...
- Q In contrast to phospholipids, the transportof fatty acids across membranes is muchmore rapid (less than a second). Proposean explanation for this observation.
- Q You are interested in a water-soluble protein that functions within the ER lumen. Given that information, which of the following statements can't be true about your protein of interest?Answers A-DA...
- Q What would be the term for something that allows some molecules to get through a membrane and keeps others out? A. Insoluble permeability B. Soluble permeability C. Selective solubility D....
- Q When the genetic code is transcribed from DNA to mRNA which nitrogenous base never appears in RNA and is replaced with uracil? A. Adenine B. Thymine C. Guanine D. Cytosine
- Q During photosynthesis, radiant or light energy is converted into what kind of energy?
- Q A 40-year-old man is brought to the emergency department because of lethargy, confusion, and a fainting episode 2 hours ago. He was alert after he regained consciousness. Over the past...
- Q When using a compound light microscope, the most common reason for staining a specimen being observed is to ...keep the organism from moving arounddetermine the effects of chemicals on the...
- Q The cancer drug Taxol interferes with the separation of chromosomes during anaphase of mitosis. The likely mechanism of Taxol's action is (A) interference with the synthesis of cyclin- Cdk complexes....
- Q Which of the following descriptions best identifies Streptococcus?rod-shaped bacteria connected in a bunchrod-shaped bacteria connected in a lineOsphere-shaped bacteria connected in a bunchsphere-shaped bacteria connected in a linethick rigid spiral-shaped...
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