Answer:
Since there is presence of excess tryptophan, the trp operon will be switched off, since the bacterial need not to synthesize.
Explanation:
Understand the following.
The trp operon is a group of gene that encode biosynthetic enzymes for the amino acid tryptophan.
The transcription gene in the operon is switched off when the tryptophan is in excess but is switched on by the bacterium when the tryptophan is low, so that more tryptophan can be produced.
Answer:
the maximum number of species that can live in an ecosystem.
Explanation:
The correct choice in this problem is that carrying capacity is the maximum number of species that can live in an ecosystem.
- An ecosystem provides resources for organisms contained within it.
- The maximum number of organisms that an ecosystem can successfully support is the carrying capacity.
- Several factors can determined the carriage of an ecosystem.
- It could be space, resources, mating partners, nutrients etc.
The endocrine
system is the system that comprises all the glands in the body, from the hypothalamus
pituitary, pineal, thymus, thyroid, parathyroid, adrenal glands, testes and
ovaries. These organ glands mentioned are just the few major glands in the
body. Moreover, take note of the hypothalamus which is responsible for many
functions such as hunger, thirst and other simple urges, that also regulates
the pituitary gland. How does your endocrine conserve body water? By
controlling and regulating your water intake and outtake, ensuring the amount
of electrolytes is efficient. Your hypothalamus is responsible for water
balance hence, it participates in one of the many functions such as regulating
the sweat glands excretion of sweat which is by the process of osmosis promoting
skin-temperature homeostasis.
Answer:
The liquid in the kettle will be simmering if it is just below the boiling point. The liquid will be hot, but not boiling, and there will be bubbles rising to the surface.
Explanation:
Answer:
D.dragonfly larvae
Explanation:
For example ;
This is a simple food chain;
algae ⇒ mosquito larvae ⇒dragon fly larvae ⇒perch
Algae are the producers in the food chain above.
Mosquito larvae are the primary consumer in the above food chain.
Dragonfly larvae is the secondary consumer in the food chain which feed on the primary consumer.
The final level is perch, which is a carnivore .
