Answer:
DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C). The order of these bases is what determines DNA's instructions, or genetic code.
Explanation:
Answer:
D
Explanation:
Addition of hydroxide ions will decrease its acidity and make it more basic.
Fos·sil<span>ˈfäsəl/</span>nounthe remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock.
so B
Past climate changes led to extinction of many species, population migrations, and pronounced changes in the land surface and ocean circulation. The speed of the current climate change is faster than most of the past events, making it more difficult for human societies and the natural world to adapt.
The right answer is into sugars.
Photosynthesis aims to create energy (in the form of carbohydrate) from the
light energy from the sun. The organisms that use the photosynthesis
mechanism are phototropic because they make organic materials from
inorganic materials.
