Answers: 2
Biology, 21.06.2019 19:00
The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.
Answers: 1
Biology, 22.06.2019 09:00
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.
Answers: 3
Biology, 22.06.2019 09:30
You have just sequenced a new protein found in mice and observe that sulfur-containing cysteine residues occur at regular intervals. what is the significance of this finding? it will be important to include cysteine in the diet of the mice. cysteine residues are required for the formation of α helices and β pleated sheets. cysteine residues are involved in disulfide bridges that form tertiary structure. cysteine causes bends, or angles, to occur in the tertiary structure of proteins.
Answers: 1
Biology, 22.06.2019 10:30
10. in which phase will crossing-over occur? a. mitosis b. metaphase ii c. prophase i d. meiosis ii
Answers: 1
How do enzymes make chemical reactions more efficient...
Chemistry, 28.11.2021 23:40
Physics, 28.11.2021 23:40
History, 28.11.2021 23:40
Mathematics, 28.11.2021 23:50
Biology, 28.11.2021 23:50
Mathematics, 28.11.2021 23:50
Business, 28.11.2021 23:50