Answer:
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Explanation:
The color of biohazard symbols has identification in the
medical office in which they identify which hazard is placed on the container
such as;
<span>·
</span>Yellow bags – infectious waste, objects
contacted with body fluids or human body parts
<span>·
</span>Red bags – syringes, IV bottles, tubings and
catheters
<span>·
</span>Black bags – sharp materials and blades
<span>·
</span>Blue bags – glass, medicine and bottles
B. True. Relationships do exist between the living and non living organisms in an ecosystem
Answer and Explanation:
Organism
↓
Population
↓
Biological community
↓
Ecosystem
Ecosystem is a natural self-sustaining ecological unit in which the different types of habitats and their flora and fauna interact and influence one another. e.g., forest, grassland,lake
Biological community includes all the species-flora and fauna- that exist and interact in a habitat. For instance, the community in a montane forest includes all the animal species of mammals, reptiles, birds
Population is the total number of individuals of a particular species found in a habitat at a particular time.
Organism is any living thing in an ecosystem that has an organized structure, can respond to stimuli, reproduce, grow and develop.
Answer:
The primary structure of proteins is the aminoacids sequence. The primary structure contains the information necessary for the formation of secondary structure, including the aminoacids type and the aminoacids order. Secondary structure of proteins is stabilized by the formation of hydrogen bonds.
Explanation:
Proteins have differents organization orders in its structure, which are called primary, secondary, tertiary and quaternary structures. The primary structure refers to the order and type of aminoacids which form the polypeptide chain. For example: Lys-His-Arg-Gly-Ala. But the sequence is not lineal in the space. There are interactions between aminoacids of the same polypeptide sequence and they can adopt different conformations. That is called secondary structure. The most common types of protein secondary structure are alpha-helix and beta-sheet.
It is easy to understand if you imagine a beaded necklace. The composition of the necklace (type od beads and their order in the necklace) is the primary structure. If the beads interact each other, they can form loops and motivs which could be considered as secondary structure.
