Which one of the following initiates implantation by secreting enzymes that break down the endometrium?

A) inner cell mass
B) endoderm
C) chorion
D) mesoderm
E) trophoblast


Answer: E) trophoblast

Biology & Microbiology

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As you are reading this question, your brain interprets the information and a __________ is

required for you to physically circle the correct answer.

a. CNS b. sensory input c. motor output d. pheromone

Biology & Microbiology

Some of the high G + C Gram-positive bacteria such as Arthrobacter divide by means of snapping division.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Interneurons are found in the

a. dorsal root. b. spinal cord. c. sensory neurons. d. motor neurons. e. autonomic nervous system.

Biology & Microbiology

For the following gene, you notice the following results. Mutant # Deletion Region % Transcription (lungs) % Transcription (kidneys) WT None 100% 100% 1 1-200 150% 150% 2 250-400 100% 100% 3 500-800 50% 50% 4 950-

1100 0% 100% What type of sequence has been mutated in mutant 4?

Biology & Microbiology