Biology question and answers for December 20, 2023
- Q How do the cells produced by meiosis compare to each other? A. They are all identical. B. Two of them are identical to each other. C. All four are genetically...
- Q How do chromosomes line up differently in meiosis compared to mitosis? A. They line up in a straight line of 92 chromosomes. B. They line up with their duplicated homologous...
- Q For the following, indicate whether meiosis or mitosis is occurring. Fill in the blanks.A cut on your finger is healing.______An egg cell is being formed in a woman's ovary.______A child...
- Q The LDL receptor is a cell-surface protein receptor that allows certain cells to pull lipoproteins containing cholesterol out of the bloodstream into their cytoplasm. All of the following are likely...
- Q Select the group of terms that refer to eukaryotic transcription only:A. regulatory promoter; poly A tailB. Shine Dalgarno; Pribnow boxC. TATA box; operonD. general transcription factors; RhoE. core promoter; operator
- Q Polyploidy, or chromosome duplication, is the most common cause of:genetic drift in plants.allopatric speciation in animals.sympatric speciation in plants.adaptive evolution in all plant, animal, & fungal species.extinction in animals.Submit Request...
- Q Which of the following descriptions references cells that would be genetically IDENTICAL?Two sperm produced by the same manTwo gametes produced by the same personTwo eggs produced by the same womanTwo...
- Q During the normal meiosis of a diploid cell, the change in chromosome number that occurs is represented as2n--> nn--> n4n--> n2n --> 4n
- Q What is the significance of crossing-over during meiosis?A A different combination of genes is provided to each gamete.A different number of chromosomes are provided to each gamete.The number of chromosomes...
- Q Along the cell cycle (in interphase) there are checkpoints. What is the point of these checkpoints?It allows for the cell to take several breaks so that is can be well...
- Q What would happen if the sister chromatids did not split equally during anaphase of mitosis? (select all that apply)the DNA would become mutatedone cell would have too many chromosomesone cell...
- Q At which stage of gametogenesis does gamete chromosome number reduce from 4N to 2N?Prior to the first meiotic divisionDuring the second meiotic divisionPrior to the first mitotic divisionDuring the first...
- Q Which organisms replicate cells by mitosis?a) animals and bacteriab) animals and plantsc) bacteria and plantsd) archaea and bacteriae) archaea and plants
- Q _______ is the phase of Mitosis where all of the genetic material (the chromosomes). lines up in the center (equator) of the cell.a) Interphaseb) Prophasec) Metaphased) Anaphasee) Telophase
- Q After meiosis, resulting daughter cells will contain _____.a) the same number of chromosomes as the parent cellb) half the number of chromosomes than the parent cell carriesc) twice the number...
- Q A cell is stained and viewed under a microscope but the chromosomes are not visible. Which point in the cell cycle is the cell currently in?A) InterphaseB) PrometaphaseC) MetaphaseD) AnaphaseE)...
- Q The process that produces polyploid cells in certain cells during development, such as those in the kidney and the liver is known as:A Aneuploidic interaction(B) EndomitosisExomitosisD) MeiosisE Endomeiosis
- Q Figure #4 shows some of the chromosomes from the normal dog karyotype and a stage of celldivision is being depicted in the drawing. What stage of cell division is being...
- Q There are several factors that affect the rate of diffusion. Name TWO: and
- Q Active transport involves the use of channels while passive transport does not.TrueFalse
- Q Which of the following statements is true with respect at ATP synthase?Choose all that applyIt is an active transport proton pump (i.e. uses cellular energy)It catalyzes the phosphorylation of ADPIt...
- Q Which of the following molecules contains the strongest polar covalent bond? 02 H20 CH4 H2 CO2
- Q Diffusion is the movement of solute and osmosis is the movement of solvent down the concentration gradient. TrueFalseMoving to the next question prevents changes to this answer.
- Q No = 300 cellsGeneration (doubling) time: 40 minutes Growth period 3 hours and 20 minn (number of doublings) = the minutes of growth (1)This (2).The final number of cells in...
- Q Only one of the following statement is correct. Choose the correct statementa. During Anaphase II chromosomes only have 2 chromatidsb. Meiosis create genetic diversity during prophase II (crossing over) and...
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