Biology, 07.10.2020 19:01, nancye2008
Which of the following statements support(s) the theory of the endosymbiotic origin of mitochondria and plastids?
1. Mitochondria and plastids have circular DNA and replicate by splitting
2. Mitochondria and plastids have ribosomes
3. Mitochondria and plastids ribosomal RNA sequences are more similar to cytoplasmic ribosomes than to bacterial ones
4. The inner membranes of plastids and mitochondria have transport proteins homologous to those in bacterial plasma membranes
1 only
1 and 2 only
3 only
1, 2, and 4
Answers: 3
Biology, 21.06.2019 22:20, molinaemily009
Which best describes how the common cold spreads in the human body? a bacteria burst out of normal cells killing them b viruses replicate inside respiratory cells c bacteria inject dna into normal cells d viruses insert dna into bacteria
Answers: 1
Biology, 22.06.2019 06:20, mariap3504
(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.
Answers: 3
Which of the following statements support(s) the theory of the endosymbiotic origin of mitochondria...
Mathematics, 15.01.2021 22:30
Mathematics, 15.01.2021 22:30
Mathematics, 15.01.2021 22:30
Mathematics, 15.01.2021 22:30
Mathematics, 15.01.2021 22:30
Mathematics, 15.01.2021 22:30
Social Studies, 15.01.2021 22:30