Blood is the connective tissue that contains large amounts of fluid and transports nutrients wastes and gases.
Blood is considered a connective tissue as it has the same origin as other connective tissues like cartilage and bone cells. Blood also connects the whole body together and transports the needed oxygen, hormones, other nutrients and blood throughout the body and also expels out wastes.
Only once because the DNA replication initiation is tightly linked to cell cycle progression,ensuring that replication occur only once per cycle
Answer:
Enzymes help cells digest food, extract energy from food, and Increases the rate of chemical reactions.
Explanation:
They increase the rate of chemical reactions. Enzymes can be used to break things down, or to make things up.
Without enzymes, reactions in a cell would slow to a halt, to a point where the cell would die.
Protista are unicellular organisms that do have a nucleus. They can reproduce both sexually and asexually. They live in moist environments.
<h3><u>Explanation:</u></h3>
Kingdom Protista consists of the organisms that are unicellular or pseudo multicellular and they are eukaryotic in nature.
The classes under Protista consists of Chrysophytes, Dinoflagellates, Slime moulds, Euglenoids and protozoans. These organisms are all unicellular. They are all the eukaryotic organisms. Euglenoids are photosynthetic where the protozoans are consumers and Slime moulds are saprophytic. They prefer to live in water or moist lands. These organisms can reproduce both asexually or sexually.
Photons from light and electrons traveling through the photosystems
