Organelles listed here can all be found in an animal cell except ___. chloroplast ribosome lysosome vacuole

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Answer 1
Answer:

Answer:

chloroplasts

Explanation:

Answer 2
Answer:

Final answer:

Among the listed organelles, chloroplasts cannot be found in an animal cell. Instead, chloroplasts are present in plant cells and certain algae, playing a key role in the process of photosynthesis. The other organelles - ribosomes, lysosomes, and vacuoles - are all present in animal cells.

Explanation:

Among the options listed - chloroplast, ribosome, lysosome, and vacuole - the one that cannot be found in an animal cell is the chloroplast. Chloroplasts are organelles present in plant cells and certain algae. They play a critical role in a process called photosynthesis, during which sunlight, water, and carbon dioxide are converted into oxygen and glucose. However, animal cells do not have chloroplasts because they do not perform photosynthesis. Instead, they obtain energy via different processes such as cellular respiration, which happens in mitochondria. On the other hand, ribosomes, lysosomes, and vacuoles are indeed present in animal cells. Ribosomes are involved in the synthesis of proteins, lysosomes handle waste disposal and cellular digestion, and vacuoles are involved in storing substances and maintaining turgor pressure within the cell.

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What are examples of positive and negative control of the lac operon? Answer 1. Lactase, which breaks down lactose, is an example of positive control, and cAMP, which binds to CRP, is an example of negative control. 2. cAMP, which binds to CRP, is an example of positive control, and lactase, which breaks down lactose, is an example of negative control. 3. Lactase, which breaks down lactose, is an example of positive control, and glucose, which reduces cAMP, is an example of negative control. 4. Glucose, which reduces cAMP, is an example of positive control, and lactase, which breaks down lactose, is an example of negative control.

Answers

Answer:

4. Glucose, which reduces cAMP, is an example of positive control, and lactase, which breaks down lactose, is an example of negative control.

Explanation:

During positive control, the presence of Glucose results in the repression of expression of lac operon. This concept is known as catabolite repression. During negative control, the lac genes are switched off by repressor when the inducer is absent (indicating the unavailability of lactose). But when lactose is present, lac binds the repressor protein and modifies it in order to dissociate it from the operator. The removal of the combination of repressor and inducer helps lac to be transcribed and expressed.

What are transgenic organisms? Give one advantage of a transgenic crop.

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Answer:

Transgenic organism:

Transgenic organism may be defined as the organisms whose genetic makeup has been modified by the molecular techniques. These transgenic organism are mainly produced in the laboratory for research work. The genes of one species can be modified or some other gene has been inserted in the organism.

Advantage of transgenic crop.

The transgenic crop has been produced by the genetic alteration of the crop. The main advantage of the transgenic crop is to develop the enhanced quality and quantity of crop. Vitamin rich golden rice has been produced by the transgenic crop.

Answer:

An  organism With DNA From onather organism.

Explanation:

What is the difference between the greenhouse effect and the enhanced greenhouse effect? A. there is no difference between the two.B. the greenhouse effect is a natural warming process, but the enhanced greenhouse effect has a cooling effect on earth. C. the enhanced greenhouse effect has natural causes, and the greenhouse effect is due to human activity.D. the greenhouse effect has natural causes, and the enhanced greenhouse effect is due to human activity.

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The greenhouse effect is a natural proccess that allows the development of life, it has natural causes. On the other hand, the enhaced greenhouse effect, also know as climate change or global warming, it's reffered to the impact on the climate caused by the overheating of the Earth's surface because of the human activity. Then, option D is correct.

What is this bug called?

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Answer:

ASSASSIN BUG  

In some plants, the male and female reproductive organs are in different plants true or false

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The answer you are looking for is false

all plants have reproductive parts they are all both male and remale

The red-cockaded woodpecker is found in the pine forests of Georgia. It eats insects found in the barks of the pine trees and nests in the trees. How will a reduction in the number of pine trees MOST LIKELY affect the red-cockaded woodpecker? A) It will decrease in number. B) It will adapt to a new habitat. C) It will build nests in other trees. D) It will hide better from animals that eat it.

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The best and most correct answer among the choices provided by the question is the first choice. A decrease on the pine trees would decrease the number of the woodpeckers. I hope my answer has come to your help. God bless and have a nice day ahead

The correct answer is option A,  It will decrease in number

Reason -

Since the red-cockaded woodpecker, depends for its fooding on insects which are found in the trees. As the trees are removed, the insects get simultaneously removed. Now the woodpecker will not get food for feeding itself so the first and foremost affects that will take place is the depletion of woodpeckers due to non-availability of foods. However, after certain period of time the woodpecker population may shift to a new location with appropriate food for survival.