Cell Biology Questions
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which of the following statements about the haploid-diploid system of sex determination is true?
in plant cell cytokinesis, the two daughter cells are separated by the formation of a ---made from the fusion of --- vesicles carrying cell wall materials.
a fundamental principle of the chromosome theory of inheritance involves the chromosome composition of cells. most eukaryotic cells are diploid, containing chromosomes that are found in ----pairs. during the process of ----, the two member of each pair segregate into different daughter nuclei.
in animal cells, cytokinesis is accomplished by the formation of a ---composed of ----filaments.
sex determination systems that are controlled by the environmental temperature are seen in what group of animals?
during---, pairs of sister chromatids become attached to kinetochore microtubules which emanate from opposite poles of the cell.
during anaphase, each chromatid moved toward the pole to which it is attached. this movement is caused by the shortening of the ----
organisms, such as protist and fungi, that have a true nucleus are called
a human cell contains two main types of chromosomes: 1 pairs of sex chromosomes and
in many insect species, sex is determined by the ratio between---chromosomes and the number of ---- sets
the ----gene on the Y chromosome plays a key role in causing the development of male characteristic
place these cells in the correct order in which they are involved in spermatogenesis, starting with the earliest at the top
which of the following organelles play a role in protein modification and trafficking?
an ----refers to the physical location of a gene
the life cycles of plant species alternate between haploid and diploid generations. the haploid generations called the-----, whereas the diploid generations called the-----
the meaning of the term chromosome can differ depending on the stage of the cell cycle we are observing. during .....phase of the interphase and early stage of M phase, a chromosome refers to a pair of sister chromatids( a dyad). however, at the end of M phase and during ....phase of interphase, a chromosome refers to a monad which contains the equivalent of one chromatid.
which of the following best describes the starting material found in each cell entering meiosis II in humans?
in eukaryotes, ---- are membrane-bound structures that have specific functions
in a ---cell, each type of chromosome is a member of a pair.
in ----of meiosis, the bivalents(which are also termed tetrads) are aligned along the center of the cell.