Which of the following statements are true of the cell wall? i. composed of proteins and lipids ii. composed of proteins and cellulose iii. located in animal cells iv. located in plant cells v. semipermeable vi. not permeable at all

Each trait of a plant is determined a. an allele b. one gene c. a pair of genes d. one dominant gene

What can be found in every skeletal muscle? a. nerves, bones, cartilage, and connective tissue b. tendons, cartilage, nerves, and blood vessels c. muscle fibers, nerves, connective tissue, and blood vessels d. tendons, nerves, blood vessels, and bones

Mike has a problem with his testosterone. he is unable to produce enough. which will most likely be affected by his inability to produce testosterone? check all that apply.