Match each description below with the cell type it characterizes: a. melanocyte b. keratinocyte c. fibroblast
_______
Major cell type found in the dermis; its primary function to secrete extracellular matrix.
_______
Found in the epidermis; its primary function is production
of pigments to color skin.
_______
Major cell type found in the epidermis; its primary
function is to protect underlying tissues and organs.
What will be an ideal response?
c
Major cell type found in the dermis; its primary function to secrete extracellular matrix.
a
Found in the epidermis; its primary function is production
of pigments to color skin.
b
Major cell type found in the epidermis; its primary
function is to protect underlying tissues and organs.
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Which of the following is a critical region of a tRNA molecule? (choose all that apply)
A. amino acid attachment site B. anticodon loop C. stop codon D. aminoacyl site E. ribosome binding site
Cilia are built of
A) microorganisms. B) microfilaments. C) micronutrients. D) microtubules.
Which of the following is the best description of decomposition?
a. breaking down inorganic molecules such as carbon dioxide and water into organic molecules such as carbohydrates, lipids, and proteins b. building organic molecules such as carbohydrates, lipids, and proteins from inorganic molecules such as carbon dioxide, water, and nitrogen-containing compounds c. building macromolecules from smaller organic molecules d. breaking down organic molecules into inorganic molecules e. a process undertaken by producers in an ecosystem
An exoenzyme is an extracellular enzyme that may be involved int he breakdown of host defensive barriers or damage to host tissues
a. true b. false