Cell Biology Quiz Questions

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Questions and Answers

What is the process by which cells absorb solid substances through the formation of membrane bubbles?

  • active transport
  • phagocytosis (correct)
  • pinocytosis
  • exocytosis

What type of cell division results in the formation of polyploid cells?

  • endomitosis (correct)
  • amitosis
  • mitosis
  • meiosis

What is the phase of mitosis characterized by the absence of a nuclear membrane and nucleolus?

  • prophase (correct)
  • interphase
  • anaphase
  • metaphase

What type of cell division occurs in malignant tumors without the formation of a mitotic division apparatus?

<p>amitosis (C)</p> Signup and view all the answers

At what stage of mitosis is the study of human karyotype performed?

<p>metaphase (A)</p> Signup and view all the answers

What is the process by which cells absorb liquid substances through the formation of membrane bubbles?

<p>pinocytosis (A)</p> Signup and view all the answers

What is the genotype of a person with sickle-shaped red blood cells in their blood?

<p>SS (C)</p> Signup and view all the answers

What type of gene interaction is observed in a person with blood type IAIB?

<p>codomination (D)</p> Signup and view all the answers

How many genotypes and phenotypes are formed by the interaction of two allelic genes by the type of incomplete dominance in tooth enamel coloration?

<p>three genotypes and three phenotypes (D)</p> Signup and view all the answers

How many phenotypes are defined by the interaction of alleles by the type of incomplete dominance in tooth enamel coloration?

<p>three (A)</p> Signup and view all the answers

What is the form of interaction between the two dominant non-allelic genes that affect normal hearing in humans?

<p>complementarity (B)</p> Signup and view all the answers

What is the genotype of a person with anemia in high-altitude settings?

<p>Ss (A)</p> Signup and view all the answers

What is the type of mutation where glutamic acid is replaced with valine in the hemoglobin protein?

<p>point mutation (C)</p> Signup and view all the answers

What type of mutation resulted from treating viral RNA with nitrous acid?

<p>a transition (A)</p> Signup and view all the answers

What is the name of the mutation that results in a decrease in the number of pairs of nucleotides of a gene?

<p>deletion (B)</p> Signup and view all the answers

What is the name of the mutation that resulted in a section of the DNA chain rotating 180°?

<p>inversion (D)</p> Signup and view all the answers

What is the name of the mutation that caused different iris colors in the right and left eyes?

<p>somatic (C)</p> Signup and view all the answers

What is the type of mutation that results in an increase in the number of pairs of nucleotides of a gene?

<p>duplication (A)</p> Signup and view all the answers

What is the metabolic disorder associated with an increased level of uric acid in the blood, developmental delay, muscle hypertonicity, and a tendency to self-harm?

<p>Lesch-Nihan syndrome (A)</p> Signup and view all the answers

What is the genetic disorder characterized by a dislocated lens, disproportionately long and thin limbs, long and thin fingers, an aortic aneurysm, and urinary excretion of certain amino acids?

<p>Marfan syndrome (C)</p> Signup and view all the answers

Which genotype combination of the mother and father can cause Rhesus conflict during pregnancy?

<p>Mother Rh–, father Rh+ (homozygote) (A)</p> Signup and view all the answers

How are mitochondrial pathologies inherited in humans?

<p>From the mother by all children (B)</p> Signup and view all the answers

What is the most commonly used material for studying sexual chromatin?

<p>Oral epithelium (B)</p> Signup and view all the answers

What is the primary cause of Lesch-Nihan syndrome?

<p>Deficiency of the enzyme hypoxanthine-guanine phosphoribosyltransferase (B)</p> Signup and view all the answers

Which tick family is important in medicine?

<p>Ixodidae (B)</p> Signup and view all the answers

What type of tick has 3 hosts?

<p>Taiga tick (D)</p> Signup and view all the answers

What is an example of a secondary wingless insect?

<p>Lice (D)</p> Signup and view all the answers

What disease is carried by fleas?

<p>Plague (B)</p> Signup and view all the answers

What is a characteristic of body lice?

<p>Egg-to-egg life cycle lasts 16 days (B)</p> Signup and view all the answers

What is a characteristic of pubic lice?

<p>Inhabits areas of the body covered with hair (D)</p> Signup and view all the answers

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