The ________ is formed from two bones that are fused at the midline, forming the upper jaw
Fill in the blank(s) with correct word
maxilla
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Notch and Delta are both transmembrane proteins involved in cell communication in the developing nervous system of vertebrate animals. What makes Notch different from Delta?
A. Notch is a receptor and Delta is a signaling molecule. B. Notch is a signaling molecule and Delta is a receptor. C. Notch is required at higher density than Delta to alter cell fate. D. All of the above statements are correct.
The carposporphyte ____
a. is a gametophyte b. remains in the female gametoypyte c. contains four sperm cells d. is unique to green algae e. grows into the macroscopic algal form.
Which of the following consists of dead cells with thick cells walls, that are primarily used to support the plant?
A. Parenchyma B. Collenchyma C. Sclerenchyma D. Trienchyma
The ________ detect movement of the head
A) semicircular canals of the inner ear B) bones in the middle ear C) pinna and auditory canal of the outer ear D) oval and round windows of the inner ear E) olfactory receptors in the nasal cavity