An arrangement of all 46 chromosomes is called a? a. Objective Drawing
B. Non Objective Drawing
C. Karyotype

What links the two strands in a dna helix together in the middle? a. phosphate groups b. sugar rings bonded together c. proteins d. bases with hydrogen bonds

Where substance is produced during cellular respiration

Which is an example of a vestigial structure? a. tail of a monkey b. fin of a fish c. flower of a plant d. tailbone of a human