A- polar. Hydrogen is positively charged and oxygen is negatively charged
Answer:
Antibodies
Explanation:
Specific immune responses are triggered by 'antigens'. Antigens are found on the surface of a pathogen and is used to identify a specific pathogen. Antigens trigger the immune system to release cells that attach themselves to Antigens in order to kill off pathogens. These cells attack Pathogens using <em>antibodies</em>
Answer:
100 beetles are present in per hectare if they are uniformly distributed.
Explanation:
If the population is uniformly distributed, so the population of beetles i. e. 11500 is divided by 115 gives the result of 100 beetles per hectare. If the environment is suitable for the growth of beetles, the carrying capacity of beetle population is about on million per hectare. They grow very fast if there is plenty of water and food is available for beetles but their population decreases when drought occurs in the area.
Answer:
a
Explanation:
lampreys are jaw-less fish
Answer:
It's Substrate.
Explanation:
Substrates are small molecules.
