Cephalization is
A. concentration of the sensory organs on the anterior end of the body.
B. embryonic development of the head in advance of the rest of the body.
C. a malformation of the head.
D. an evolutionary degeneration of the head as seen in some parasites.
E. concentration of the sensory organs on the posterior end of the body.
Answer: A
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A virus that kills its host is said to be
A) lytic or virulent. B) temperate. C) lysogenic. D) virulent or lysogenic, but not temperate.
The opening of the uterus that extends into the vagina. _____
A) Endometrium
B) Testis
C) Cervix
D) Uterus
E) Oviduct
F) Ovaries
G) Vagina
H) Seminal vesicle
I) Penis
J) Prostate gland
K) Vas deferens
L) Glans penis
During meiosis homologous pairs of chromosomes ____
a. move together to the newly formed cells b. ultimately create diploid cells c. are sorted in a dependent fashion d. may exchange corresponding segments e. stay in the cytoplasm
When it is said that the genetic code is universal, it means that all organisms share the same:a
genes. b. mitochondrial DNA. c. coding mechanism. d. ribosomal structure. e. nuclear composition.