Animals grow mainly by increasing the number of body cells, plants grow mainly by increasing cell

size.



Indicate whether the statement is true or false.


ANS: F, by increasing the number of new cells and by increases in cell size

Biology & Microbiology

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Based in the figure above, after fertilization, which cell(s) give(s) rise to the embryo plant?

A) A B) B C) C D) D E) E

Biology & Microbiology

A scientist is interested in doing a research project on hemoglobin. From which one of the following could he extract the hemoglobin for his study?

A) globulins B) white blood cells C) platelets D) clotting proteins E) red blood cells

Biology & Microbiology

Lagging strand synthesis is _ (blank) _ because it is replicated with a series of Okazaki fragments.

a. antiparallel b. bidirectional c. semiconservative d. continuous e. discontinuous

Biology & Microbiology

   Trait  SpeciesABCDE101111200111310101401111500001610101The table shows the distribution of traits (A-E) in six extant species (1-6). A "0" indicates the ancestral condition, and a "1" indicates the derived condition. Which pair of species shares the greatest number of derived characters (synapomorphies)?

A. 1 and 4 B. 5 and 6 C. 5 and 1 D. 6 and 3 E. 6 and 1

Biology & Microbiology