What is the BEST explanation of how two organelles work together to maintain homeostasis within a cell? a) All of the answers are examples of how organelles support the work of each other.

b) Mitochondria produce energy molecules which are digested by lysosomes to provide energy for cellular processes.

c) Ribosomes manufacture proteins to be broken down for immediate energy by the mitochondria.

d) Chloroplasts convert solar energy to make simple sugars which are then used by the mitochondria to provide energy for the cell

After reading the paragraph below, answer the questions that follow. researchers have created a robot that has a very thin leg that is moved by cardiac (heart) cells contracting in unison. the robot, made of a polymer similar to that used in making contact lenses, is bathed in heart cells with supporting cells, which then attach to the robot and provide movement as they contract. all of the cardiac cells working together can cause the robot leg to move in a way that individual cells could not. this is an example of a. emergent properties of cells. b. energy flow through an ecosystem. c. adaptation. d. internal environment regulation.

About how much of the cell mass is watet

14) whenever diploid populations are in hardy-weinberg equilibrium at a particular locus a) the allele's frequency should not change from one generation to the next, but its representation in homozygous and heterozygous genotypes may change. b) natural selection, gene flow, and genetic drift are acting equally to change an allele's frequency. c) this means that, at this locus, two alleles are present in equal proportions. d) the population itself is not evolving, but individuals within the population may be evolving.