Carbohydrate molecules:a
serve as structural components of human cell walls.
b. form the regulatory compounds known as enzymes.
c. are a source of energy.
d. help protect vital organs from damage.
e. contain the genetic information of a cell.
C
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Gene therapy has been successful in curing some individuals of autoimmune disorder and sickle cell
disease.
Indicate whether the statement is true or false.A group of genes, a promoter, and an operator that control transcription, in prokaryotes, is a(n)
translational unit. chromosome. ribosome. envelope. operon
When blood calcium levels fall, the ________ secrete a hormone that causes greater calcium release from the bones
Fill in the blank(s) with correct word
Which of the following clades has been proposed by plant biologists as the clade that defines the plant kingdom?
a. Plantae, Streptophyta, and Viridiplantae have all been proposed as the clade that defines the plant kingdom. b. Kingdom Plantae, which includes only the embryophyte clade c. Kingdom Streptophyta, which also includes the charophytes d. Kingdom Viridiplantae, which also includes all green algae (chlorophytes) e. Kingdom Vasculata, which includes the vascular plants