問題一覧
1
What is the fundamental process/basic process that ensures the continuity of life from one cell to another?
The reproduction/duplication of cells through the cell cycle.
2
What describes the process of the cell cycle?
An orderly sequence of events from the division of a parent cell to produce two daughter cells.
3
What can be said about the mechanisms/processes involved in the cell cycle across different eukaryotic organisms?
They are highly conserved/protected.
4
What is true about the cell cycle in different organisms?
Organisms as diverse as protists, plants, and animals employ similar steps.
5
What is the term for a cell’s complete set of DNA?
genome
6
What is the structure/form/layout of the genome in prokaryotes?
A single, double-stranded DNA molecule in the form of a loop or circle.
7
Where is the genetic material located in a prokaryotic cell?
nucleoid
8
What are the smaller loops of DNA found in some prokaryotes that are not essential for normal growth?
Plasmids
9
What is the compound/blend/mixture/composition of the genome in eukaryotes?
The genome comprises/made up of several double-stranded, linear DNA molecules bound with proteins to form complexes called chromosomes.
10
What is a consistent feature/usual thing of the nuclei of cells in a particular/specific species of eukaryote?
A characteristic/feature/trait number of chromosomes.
11
How many chromosomes are typically found in human somatic (body) cells?
46 chromosomes
12
What is the term for the configuration/arrangement of chromosomes in a somatic cell, which contains two matched sets?
Diploid
13
What is typically found in the chromosomes of a somatic cell?
Two matched sets.
14
What letter is commonly used to symbolize a single set of chromosomes?
n
15
What designation is given to a diploid organism, indicating it has two complete sets of chromosomes?
2n
16
What is the definition of a haploid cell?
A cell containing only one set of chromosomes.
17
What is the definition of a diploid cell?
A cell containing two sets of chromosomes.
18
What type of human cells contain only one set of 23 chromosomes?
Gametes (or sex cells)
19
What is the designation for human cells that contain one set of chromosomes?
n (or haploid)
20
What are the two types of gametes (sex cells) found in humans?
Eggs and sperm