What do you know about the properties of water? How does it relate to the question?
What will be an ideal response?
Water is a polar molecule with partial negative charges on oxygen atoms and partial positive charges
on hydrogen atoms.
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Chloroplasts and mitochondria in eukaryotes are thought to have originated by ____ , where one organism lives within another
Fill in the blank with the appropriate word.
The probe in the hybridization assay can be described as:
a. originating from the unknown organism to be detected or identified. b. a reporter molecule that chemically forms a complex with the single-stranded probe deoxyribonucleic acid (DNA). c. originating from an organism of known identity with a known sequence. d. the enzyme needed to elongate the strand.
Fertilization resulting in a chromosome number of 2n + 1 is ____
a. monosomy b. trisomy c. haploid d. diploid e. triploid
Which of the following sequences correctly describes the movement of air in a bird's respiratory
system? a. lungs; anterior air sacs; posterior air sacs b. anterior air sacs; posterior air sac; lungs c. posterior air sacs; lungs; anterior air sacs d. lungs; posterior air sacs; anterior air sacs e. anterior air sacs; lungs; posterior air sacs