The diploid number of chromosomes found in a eukaryotic cell
a. indicates the phylogenetic position of the organism.
b. is constant during the life cycle.
c. is haploid among asexually reproducers and diploid if they reproduce sexually.
d. is cut in half by meiosis and is restored by fertilization.
e. is dependent on the age of the tissue.
D
You might also like to view...
Which of the following components is NOT
essential for DNA cloning?
a. plasmids b. ligases c. helicases d. DNA fragments e. restriction enzymes
The main phloem-conducting cells are
A. tracheids. B. companion cells. C. sieve tube elements. D. vessel elements. E. stomata.
The functions of the human nervous system include
A. sensory input. B. detection of stimuli. C. integration. D. generation of motor output. E. All of the choices characterize the human nervous system's functions.
In humans, beef tapeworm infestations are acquired by ingesting
A) the eggs of Taenia saginata. B) segments of Taenia solium tapeworms. C) water contaminated with Diphyllobothrium latum eggs. D) cysticerci of Taenia saginata in undercooked meat. E) cysticerci of Taenia solium in undercooked meat.