A zygote initially divides into smaller cells, each called a(n)
A. blastomere.
B. gastrula.
C. neurula.
D. embryonic cell.
E. cleavage cell.
Answer: A
You might also like to view...
Strolling in the Sonoran Desert, you come upon a stately Saguaro cactus. The large central "trunks" of this cactus are covered with numerous smaller spines
The central stalks are modified _________ used for water storage and spines are modified ______ used for protection. A) stems; leaves B) leaves; leaves C) petioles; leaf blades D) leaf blades; trichomes E) stems; fruits
Which of the following organisms have cells walls made of chitin?
A. Animals B. Bacteria C. Fungi D. Plants
Identify each of the staining techniques as simple, differential, or special.
A. capsule stain B. acid-fast stain C. crystal violet D. Gram stain E. flagellar stain
The DNA molecule is made up of _____ strand(s) and the RNA molecule is made up of _____ strand(s)
a. 1; 2 b. 2; 1 c. 4; 2 d. 1; 1 e. 2; 4