At its most basic level, in a non-dividing cell, a chromosome is a single DNA molecule coiled around some proteins.
a. true
b. false
a. true
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The most primitive plants are the
A. ferns. B. flowering plants. C. mosses. D. pines.
three main abdominal accessory organs
What will be an ideal response?
Answer the following statements true (T) or false (F)
1. Lactoferrin and transferrin are proteins that bind iron, and therefore deprive pathogens of this essential nutrient. 2. Pyrogenic substances cause the production of pus. 3. Interferons are virus-specific, but are not species-specific. 4. Complement is the name of a single plasma protein that “complements” the actions of the immune system. 5. Eosinophils are much better phagocytes than neutrophils.
After a moss spore germinates it forms a(n) prothallus
____________________ Indicate whether the statement is true or false.