The region of a chromosome where two sister chromatids are held together is called a

A.) Spindle
B.) Centromere
C.) Nucleosome
D.) Centriole


Ans: B.) Centromere

Biology & Microbiology

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A rubber band that is pulled taut and a person who is standing at a bus stop are examples of which of the following?

a. Potential energy b. Activation energy c. Kinetic energy d. Free energy

Biology & Microbiology

The close relationship between ____ and animals can be seen in the similarity of these protists and sponges, simple

animals.

a. cellular slime molds b. choanoflagellates c. diatoms d. brown and red algae e. flagellates protozoans

Biology & Microbiology

Which of the following is not a stage of mitosis?

A. interphase B. metaphase C. prophase D. anaphase E. telophase

Biology & Microbiology

Which of these are examples of the effects of rising temperatures?

a. marmots are coming out of hibernation later in the year b. plants are blooming earlier in the year c. animals that were traditionally only found in temperate areas are being found in tropical zones d. maple trees are making more syrup than ever before e. all of the above

Biology & Microbiology