Mitotic chromosomes are _____ times more compact than a DNA molecule in its extended form

(a) 10,000
(b) 100,000
(c) 1000
(d) 100


(a)

Biology & Microbiology

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The dark shadings in the above map show the distribution of ________ across the world

A) primary economic activities B) secondary economic activities C) tertiary economic activities D) localization economies E) backwash effects

Biology & Microbiology

Why is the process of peer review critical to scientific inquiry?

a. It protects scientists from being sued. b. It gives scientists a patent for their ideas and methods. c. It helps ensure that the research in a scientific paper is original, significant, logical, and thorough. d. It provides a venue where scientists can publish their materials and protocols for use by other scientists who want to do the same research.

Biology & Microbiology

Which of the following statements concerning

production of bryophyte reproductive cells is true? a. Spores and gametes are produced by meiosis. b. Spores and gametes are produced by mitosis. c. Spores are produced by meiosis, whereas gametes are produced by mitosis. d. Spores are produced by mitosis, whereas gametes are produced by meiosis. e. Spores and gametes are both used for sexual reproduction.

Biology & Microbiology

What is a feature of woody stems (in temperate regions) but not of herbaceous stems?

A. bud scale scars B. internodes C. shoot tip D. nodes E. axillary buds

Biology & Microbiology