Answer AND Explanation:
Gnetophytes are gymnosperms
, they are woody and the embryo has two cotyledons
. Cycads are woody plants that produce seeds found in Subtropical and warm temperate regions and also they produce motile sperm cells.
B. Group number
For example, Sodium(Na) is in Group 1 and Na^+ has a charge of +1.
Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy.
The Bacillus genus is usually negative in regards for the Oxidase test.
http://1kai.dokkyomed.ac.jp/mammal/en/genus_list.html
