Answer: A) Hair and D) Mammary glands
Explanation:
Synapomorphies of mammals are hair and mammary gland as, mammals are the distinct from the other tetra-pods having hair,mammary gland and three bone ear. The three unique trait of mammals included three bones ear malleus,stapes and incus, presence of the hair and mammary gland for the production of milk.
B. changing the activity of the acylcarnitine shuttle
C. targeting the acetyl-CoA transport shuttle in the mitochondrial membrane
D. altering the activity of the oxidoreductase enzymes in β-oxidation
Answer:
The correct statements are A negative feed back regulation if free fatty acid accumulate C targeting the acetyl CoA transport shuttle in the mitochondrial membrane
Explanation:
The beta oxidation of fatty acid can be regulated by several following ways.
A The accumulation of free fatty acids exerts negative feedback during beta oxidation of fatty acids.As oxidation of fatty acids result in the breakdown of complex fatty acids in free fatty acids and acetyl CoA,the accumulation of free fatty acids lowers the rate of beta oxidation of fatty acid.
C The targeting of end product of beta oxidation that is acetyl CoA to the mitochondrial membrane also regulates the beta oxidation pathway.Because more the transport of acetyl CoA to the mitochondrial membrane more will be the rate of fatty acid break down by beta oxidation.
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.
wait to see if it goes lower
increase muscle activity to generate heat
add fur or fat to increase insulation
Answer: The correct answer would be increase muscle activity to generate heat.
Explanation:
Endothermic animals are those which maintain their body temperature mainly by their metabolic activity irrespective of environmental heat.
In case, there is a drop in environmental temperature then endothermic animals increase their metabolic activity and metabolize sugars and fats at a faster rate.
It release more heat and increase the body temperature.
One the various methods for increasing metabolism is increase in muscle activity such as done in shivering. Shivering increases muscle activities which increases body temperature.
An endothermic animal would increase muscular activity to generate heat in response to a sudden drop in environmental temperature. This internal heat production is part of their physiological adaptation to maintain stable body temperature in varying conditions.
When faced with a sudden drop in environmental temperature, an endothermic animal will typically increase muscle activity to generate heat. Unlike ectothermic animals, endotherms maintain a stable internal body temperature despite changes in the environment. They are capable of doing this because they generate their own heat internally, often through processes like muscular activity including shivering. Therefore, in an attempt to sustain a constant body temperature when exposed to a colder environment, muscular activity within the animal would increase to produce more heat. This, in turn, helps to counteract the cooling effect of the lower external temperatures.
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b. Hypothesees are guesses; theories are correct answers.
c. Hypotheses usually are relatively narrow in scope; theories have broad explanatory power.
d. Theories are proved true; hypotheses are often contradicted by experimental results.
Answer: c. Hypotheses usually are relatively narrow in scope; theories have broad explanatory power.
Explanation:
In scientific decipline, the hypothesis is a tentative statement which is produced by the method of prediction and assumption based on direct observation of the natural phenomena or event. It can be tested by using the experimental methodology.
Theory is a explaination for the cause of natural event or phenomena. This is based on the evidences obtained after experimental trials. A hypothesis can be used for generation of theory. A theory is more explanatory approach because of the details and evidences than hypothesis. Hence, c is the correct option.
O in the chemical bond holding the sugar to the nitrogen base
in the chemical bonds holding the sugar molecule together
O In the chemical bonds holding the phosphate groups together
Energy in ATP is stored in the chemical bonds connecting the phosphate groups. The release of energy occurs when these bonds are broken, specifically between the second and third phosphate groups.
Energy in ATP (Adenosine Triphosphate) is stored in the chemical bonds holding the phosphate groups together. This molecule consists of a nucleoside (adenosine) attached to three phosphate groups. When ATP is broken down into ADP (Adenosine Diphosphate) and inorganic phosphate, a considerable amount of energy is released. This energy release happens due to the breaking of a high-energy bond between the second and third phosphate groups, which are negatively charged and thus naturally repel each other.
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