Rotational symmetry is radial symmetry which means that the shape is the same after several rotations. In five-fold rotational symmetry<span> the number of distinct orientations in which the object looks the same is five. </span>
Living organisms whose shapes have five-fold rotational symmetry are sea stars (starfish) and sea urchin. They <span>can be mapped onto itself through rotation about a central point by an angle of 2π/5. </span>
Answer:
The nucleus controls and regulates the activities of the cell and carries the genes, structures that contain the hereditary information.
Explanation:
The answer is C)Tripeptide
Answer:
D.
Explanation:
The highlighted part of the male reproductive system is the urethra.
One of its major functions is to serve as a conduit for semen and sperm during sexual acts.
A is wrong. The testes manufacture sperm cells.
B is wrong. The prostate gland, the seminal vesicles, and the bulbourethral glands create the fluid in semen.
C is wrong. The epididymis stores sperm cells until they mature.