The two strands in a DNA molecule are held together by …
A. hydrogen bonds
B. phosphodiester bonds
C. covalent bonds
D. ionic bonds
Select your answer:
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Fitness › Viewa sport in which people have to be very strong
A. Weightlifting
B. cycling
C. dancing
D. dancing
Musculoskeletal Fitness › View
How can poor musculoskeletal fitness impact posture?
A. Muscle flexibility does not affect posture
B. Weak muscles may not be able to support the body’s weight effectively, causing slouching or misalignment of the spine and other body parts.
C. Poor musculoskeletal fitness has no impact on posture
D. Strong muscles lead to poor posture