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katovenus [111]
2 years ago
14

HELP BIOLOGY 50 POINTS !!!!!!

Biology
1 answer:
Rus_ich [418]2 years ago
7 0

Answer:

1. lactose intolerant

2. lactase

3. dairy products

4. e.coli

5. enzymes

6. protein

7. repressor

8. operator

9. rna polymerase

10. transcribe

11. bases

12. repressor

13. operator

14. transcription

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What is one byproduct of slash-and-burn clearing of the rain forest that is harming the atmosphere?
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It has been estimated that ‘slash and burn’ agriculture is used by up to 500 million people worldwide. The term describes the practice of cutting and/or burning of natural vegetation for conversion into agricultural fields. Besides the disastrous implications for forest ecosystems, the practice can impact the atmosphere in two main ways if burning is implemented. Firstly by causing air pollution from the smoke, and secondly by increasing carbon dioxide in the atmosphere, which is a greenhouse gas and a driver of climate change. Living trees also remove carbon dioxide from the atmosphere during photosynthesis, and the process of ‘slash and burn’ effectively removes their carbon capturing contributions to ameliorating climate change.

7 0
3 years ago
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Excess post-exercise oxygen consumption is the extra amount of oxygen consumed after the completion of exercise and before respi
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The extra oxygen is used to restore muscle fibers to their pre-exercise state by doing all of the following except facilitating calcium release from the sarcoplasmic reticulum in the muscle fiber. Thus, the correct option is B.

<h3>What is Respiration?</h3>

Respiration may be defined as the process of acquiring oxygen from outside the body and utilizing it in the process of breakdown of food sources for cellular needs.

The extra oxygen works in the muscle fiber by replenishing the ATP, restocking the myoglobin, and supplying the ATP used to replenish glycogen stores in the muscle fiber.

Therefore, the correct option for this question is B.

To learn more about Respiration, refer to the link;

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5 0
2 years ago
Which of these is unique to flowering plants?haploid gametophytes,an embryo surrounded by nutritive tissue,double fertilization,
fiasKO [112]

Answer:

double fertilization

Explanation:

Flowering plants or angiosperms are seed-producing plants with the ability to produce reproductive organs-flowers and fruits with seed in it (unlike gimnosperms which contain naked seed). Another distinctive feature of angiosperms is their reduced gametophytes. This feature most likely reduces the time between pollination and fertilization. Fertilization in flowerin plants is double, meaning that two sperm cells fertilize ovule cells(egg cell and central nuclei cell): one forms diploid zygote which will develop in embryo, while other form triploid cell which will develop into endosperm (provides nutrition for the embryo).

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3 years ago
Which is NOT part of the cell theory?
atroni [7]

Answer:

B.

Explanation: Hope this helps! ^^

8 0
3 years ago
What is a biological tropism?
kondor19780726 [428]

Answer:

A

Explanation:

Living organisms adapt to their moves and positions in response to the environmental changes for their protection or to their advantage. When an entity reacts to the changes in its surroundings, it is referred to as stimulus while the reaction to the stimulus is referred to as a response. Common stimuli are sound, light, air, heat, smell, taste, water and gravity.

Think of burning your finger of fracturing your bone without any pain sensation. It may certainly sound like a superpower or an ideal situation, however, when it comes to the standpoint of survival, it can be disastrous.

It is a characteristic behaviour of living entities to respond to stimuli with the intervention of the Nervous System. It is an organ system ascribed to send signals from the spinal cord and the brain throughout the body and then back from all the body parts to the brain. Neuron acts as the mediator and is the basic signalling unit of the Nervous system.

Pain is the body’s way of letting us know that something is not right. It can prevent further injuries or push us to seek medical attention. Moreover, all of this is possible because humans can respond and react to stimuli due to control and coordination among the various organs and organ systems.

Control and Coordination in simple multicellular organisms take place through only the Nervous system which coordinates activities of our body. It is the control system for all our actions, thinking, and behaviour.

4 0
2 years ago
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