Answer:
Mitochondria convert chemical energy, in the form of a chemical called adenosine triphosphate or ATP for short. ATP is an energy currency that every cell in our body can use. ... Electrons are passed between the complexes of the electron transport chain and enable the cells to convert energy.
so it's 2nd (light to glucose)
Answer:
A. Cyclins
Explanation:
Cyclins are group of related proteins and are the most important core cell cycle regulators. Each cyclin is associated with a particular transition or phase in the cell cycle and helps drive the events of that phase or period by partnering with a family of enzymes called the cyclin-dependent kinases (Cdks).
Cdks are kinases, enzymes that phosphorylate (attach phosphate groups to) specific target proteins. The apg acts like a switch, making the target less active or to have more protein. When cyclin attaches to Cdk, it can activate the Cdk as a kinase and can directs also the Cdk to a specific set of target proteins. For example, G1/S cyclins send Cdks to S phase targets (e.g., DNA replication), while M cyclins send Cdks to M phase targets (e.g.,breakdown of the nuclear membrane ).
Hi there!
The nucleus of a cell holds genetic information(DNA[Deoxyribonucleic Acid]) and makes decisions for the cell.
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In the world of birds, usually males are more colorful or ornamented than females. The explanation for this is sexual selection (traits that help one gender to be successful). This phenomenon, allows to males to compete with other males. For example, more colorful males might seem more dangerously. On the other hand, ornaments and colors of male birds can attract the attention of females.
The cell cycle is divided in two main events : interphase and mitosis. However, those two phases have further sub-divisions.