This is one of the processes by which atp is synthesized. in eukaryotes, it takes place in the mitochondria during cellular respiration and in the chloroplasts during photosynthesis. in prokaryotes, it occurs in the cell membrane.

Where do homologous chromosomes exchange genetic material through crossing over?               a.  chlorophyll    b.  centrosomes    c.  centromeres    d.  chiasma

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.