Biology, 10.10.2019 23:00 harmonywilliams30
The membrane that surrounds a cell acts as a gateway. this the cell stay healthy. why does the cell need a gateway?
a.
cells need a way to take in and remove blood.
b.
cells need a way to take in food and waste.
c.
cells need a way to take food in and remove waste.
d.
cells need a way to move food in, but they do not have any waste.
Answers: 1
Biology, 22.06.2019 03:30
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
Answers: 1
Biology, 22.06.2019 03:30
How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures
Answers: 1
Biology, 22.06.2019 06:10
The normal shape of an enzyme is as shown in structure a. if the enzyme’s shape changes to that shown in structure b, what are two consequences of this change?
Answers: 1
Biology, 22.06.2019 06:30
Zoo geographic regions are characterized by the presence of specific groups of animals these regions are determined by the taxonomic or phylogenetic relationships of animals. the map shows the zoogeographic regions proposed by the naturalist alfred russel wallace in 1876. the similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between the organisms in both locations ?
Answers: 3
The membrane that surrounds a cell acts as a gateway. this the cell stay healthy. why does the cell...
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