For a tissue or an organ to function as a unit, _____
A) there must be a signal molecule recognized by all cells in the tissue or organ
B) there must be cell-cell communication among the cells within a tissue or organ
C) the tissue or organ must perform similar functions
D) the tissue or organ must be composed of all of the same type of cells
Answer: B
You might also like to view...
The following question refers to the Punnett square below. Which letter represents a homozygotic dominant progeny?
A. A B. B C. C D. D Blooms Level:
During the elongation stage of transcription ____
a. DNA nucleotides are added to the transcript b. the transcript grows in the 5'®3' direction c. transcription factors recruit RNA polymerase to the template strand
d. the double helix remains single-stranded after being used as a template e. RNA polymerase binds to the promoter region
An animal with a diploid number of 36 chromosomes will have ____ chromosomes in its gametes and ____
chromosomes in its somatic cells. a. 18; 18 b. 18; 36 c. 36; 18 d. 36; 36 e. 36; 72
Which stage of mitosis starts as sister chromatids split apart and begin to move toward opposite poles?
a) prophase b) prometaphase c) anaphase d) telophase e) metaphase