Biology, 25.06.2019 21:30 katielloyd
Researchers have found that mitochondria and chloroplasts in eukaryotic cells have their own dna. this dna is different from the dna in a eukaryotic cell's nucleus. chloroplasts and mitochondria use their own dna and ribosomes to make some organelle-specific proteins. what statement is best supported by this information? a. modern cells could exist without mitochondria and chloroplasts. b. early eukaryotic cells engulfed prokaryotic cells, which later became mitochondria and chloroplasts. c. early prokaryotic cells engulfed eukaryotic cells, which later became mitochondria and chloroplasts. d. mitochondria and chloroplasts could exist outside of modern cells.
Answers: 1
Biology, 22.06.2019 07:00, cyaransteenberg
What is the main function of the central vacuole in a plant cell? a. absorbs energy from the sun to produce food b. holds water and maintains turgor pressure c. breaks down molecules to release energy d. contains the cell's genetic material
Answers: 1
Biology, 22.06.2019 14:50, trishinada63
What do we call an individual that has inherited two identical alleles for the same trait? a. homozygous b. heterozygous c. monozzygous
Answers: 2
Biology, 22.06.2019 16:20, idkjules5728
Select the correct answer. which statement applies only to the axial skeleton, not the appendicular skeleton? a. it contains a pivot joint. b. it has muscles attached that work in pairs. c. it contains red bone marrow. d. it possesses fossa for bone articulation. e. it protects the heart and lungs.
Answers: 2
Researchers have found that mitochondria and chloroplasts in eukaryotic cells have their own dna. th...
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