Plant cell have cell wall and animals cell don’t have
Plant cell have plastids and animal cell don’t have
Answer:
Dragonflies are important for our environment.
Explanation:
Dragon flies belongs to the ancient family of insects. They are found on every parts of the world and have been from around 300 millions years ago. There are more than 5000 different species of them found in different parts of the world. Conserving dragonflies is important as they considered as a valuable environmental indicators.
Dragon flies are found in the areas where water is available and near grasslands. Their life cycle is an example of an incomplete metamorphosis. The dragon flies lays their eggs near the water or in the water. Dragon flies spends most of the life time as a nymph in the water where they turn into an adult and leave the water. The dragon flies rely on the aquatic ecosystems all through their life. Thus dragonflies are an important indicators of the environment and water quality.
Most of the life cycle of the dragon flies depend on the availability of water and its quality. Polluting water and destroying their habitat will result in the decline of the population of the dragon flies.
Symptoms of ketosis include;
Increased ketones in the urine and blood
Bad breath
Short-term fatigue
Insomnia
Digestive issues like diarrhea and constipation
Suppressed appetite
Weight loss.
<span>Ketosis is
caused by an increase in ketone in the blood. Ketones are formed from the ‘burning’
of fat in the body. This usually occurs when there are no carbohydrates to ‘burn’
in the body (usually during dieting)</span>
Answer: The correct option is b (false).
Explanation: As is is cleared from the figure that when lactose is absent, the lac repressor binds tightly to the operator. It gets in RNA polymerase's way and prevent transcription.