In both plant cells and animal cells, where do the microtubles of the mitotic spindle originate?
a. in the centromere
b. in the organizing centres
c. in the chromatid
d. in the centriole
Answer: b. in the organizing centres
Biology & Microbiology
You might also like to view...
Gammaproteobacteria can be used for biodegradation of hydrocarbons
Indicate whether the statement is true or false.
Biology & Microbiology
Radioactive ____ is commonly used to treat patients with dangerously overactive thyroid glands
a. carbon b. radium c. iodine d. thallium e. cobalt
Biology & Microbiology
What percent of our DNA consists of
transposable elements?
a. 4.5 b. 14.5 c. 45 d. 65 e. 90
Biology & Microbiology
When blood calcium levels fall, ____
a. PTH secretion increases b. osteoblast activity increases c. osteoclast activity decreases d. growth hormone activity increases e. calcitonin secretion increases
Biology & Microbiology