chapter 4 review Flashcards
which of the following is a double spiral molecule with pairs of nitrogen bases?
DNA
What is in RNA but not in DNA
uracil
If a diploid tomato cell has 24 chromosomes, how many chromosomes will the tomato’s sex cell have
12
During a cell’s life cycle, when do chromosomes duplicate
interphase
When do chromatids separate during mitosis
anaphase
How is the Hydra shown in the picture reproducing
asexually, by budding
what is any permanent change in a gene or a chromosome called
replication
what does meiosis produce
sex cells
what type of nucleic acid carries the codes for making proteins from the nucleus to the ribosomes
RNA
a cell that is the source of other cells
Parent Cell
a cell that are produced after a single cell undergoes cell division
Daughter Cell
the cytoplasmic division of a cell at the end of mitosis or meiosis, bringing about the separation into two daughter cells
Cytokinesis
the death of cells which occurs as a normal and controlled part of an organism’s growth or development
Apoptosis
In cell biology ______ refers to the cytoskeletal structure of eukaryotic cells that forms during cell division to separate sister chromatids between daughter cells
Spindle Fibers
a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes
Chromosomes
