Plesae a student explains that plant cells have cell walls but not cell membranes, while animal cells
have cell membranes but not cell walls. what is wrong with this statement?
group of answer choices

both plant and animal cells have cell membranes.

plant cells do not have cell walls.

animal cells do not have cell membranes.

both plant and animal cells have cell walls.

Ayoung boy has been found and police are trying to locate his family they take a dna sample from him and begin collec dna samples from families who have missing children if police use dna samples only from the fathers, which type of dn technology can they use to identify the boy's parent? y-chromosome analysis omtdna (mitochondrial dna) analysis vntrs (variable tandem repeats) o pcr (polymerase chain reaction) analysis

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

The transport tubes from food came down the plant are called?