Select three ways a virus can enter a cell.
a. the virus dissolves the cell membrane and then exits the cell.
b. the virus remains inside but injects dna or rna out the cell.
c. the virus remains outside but injects dna or rna into the cell.
d. the virus dissolves the cell membrane and then enters the cell.
e. projections on a virus match receptor sites on a cell membrane.
f. projections on a virus do not match receptor sites on a cell membrane.

Which image shows labeled organelles that are present only in plant cells?

Complete the sentences by matching the names of trees to the appropriate blanks. to do this, drag the names on the left into the appropriate blanks in the sentences on the right. match the words in the left column to the appropriate blanks in the sentences on the right. terms may be used more than once. make certain you have filled every blank with a term before clicking submit. 1. deciduous trees lose their leaves seasonally and include trees such as maple and elm. 2. conifer leaves are generally thin and needle-like, while seeds are contained in cones. conifers include cedar and pine. 3. evergreens are plants that maintain their leaves in all seasons and include trees such as cedar, elm, and pine. 4. hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as maple, , and cedar. elm returned you filled in 2 of 10 blanks incorrectly. mango trees are tropical broad leaf plants that maintain their leaves all year long. no credit lost. try again.

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions