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Tasya [4]
3 years ago
9

Benedicts reagent is an indicator for the presence of ______________ in solution

Biology
1 answer:
Agata [3.3K]3 years ago
8 0
In lab, we used Benedict's reagent to test for one particular reducing sugar: glucose. Benedict's reagent starts out aqua-blue. As it is heated in the presence of reducing sugars, it turns yellow to orange. The "hotter" the final color of the reagent, the higher the concentration of reducing sugar.
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QUESTION: What is another name for the prefrontal cortex?
eimsori [14]

Answer:

the thinking brain

Explanation:

cus it sound right

7 0
3 years ago
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1. Psychologists have used four perspectives in their efforts to explain motivation. These include an emphasis on instincts, opt
ololo11 [35]

Answer:

A) drive reduction

Explanation:

Motivation is the urge that fuels and directs human with the energy to accomplish a given task. Motivational theory is accustomed  with the role of  searching for what drives individuals to work towards a goal or a task.

The drive reduction theory explains  physiological ideology  required bring out  an aroused tension state that motivates an organism to satisfy the need.

Instincts Theory reflects innate and  fixed pattern of complex behavior in animals. For example, making holes of crabs for safety.  

Optimum Arousal Theory drive people to engage in certain activities in the quest to keep up with an optimum level of physiological arousal.

Hierarchy of motives: According to Maslow's pyramid, hierarchy of motives is explained based on need to satiate or quench the least physiological needs in order to be active before subsequent level needs.

4 0
2 years ago
Match the types of societies to their characteristics. dependent on wild plants and animals for their sustenance dependent on ag
Simora [160]

Answer:agrarian society- dependent on agriculture

Modern society-dependent on manufacturing sector for income

Hunter-gather society-dependent on wild plants and animals for their sustenance

Explanation:

5 0
3 years ago
When a horse and a donkey have an offspring, it is called a mule--a hybrid that cannot reproduce itself. Why are horses and donk
RUDIKE [14]

Answer:

Horses and donkeys are two different species but belong to the same family Equidae and the genus Equus. They both have different numbers of chromosomes.

Although they look quite similar in appearance, there are many dissimilarities.

The physical differences between horses and donkeys include:

Donkeys backs are flatter than horses.

Donkeys have smaller hoofs than horses.

Donkeys have longer and thicker ears than horses.

Horses tend to have a long face than Donkeys.

Horses have six vertebrates, while donkeys have only five.

Tails of horses and donkey differ. Horses have long tails, whereas donkey’s tail looks like a cow’s tail.

On the genetic level, the total number of chromosomes in the horse is 64 and donkey have 62 number of chromosomes. Mule is a hybrid of a female horse and a male donkey. Hinny is a hybrid of a female donkey and a male horse. Both the offspring (hybrid offspring) produced by donkeys and horses are infertile, sterile, cannot have its own offspring and both have 31 pairs of chromosomes each.

If the produced offspring is fertile then the animals are of the same species and if the produced offspring is sterile then they are of different species. Because of this, both horses and donkeys are considered as a separate species. A species is generally defined as a group of organisms, which are capable of interbreeding and creating viable offspring. In this case, mule and the hinny are not really a new species and are produced by two different species.

4 0
3 years ago
Read 2 more answers
Name some of the traits mendel studied with his pea plants.
Scorpion4ik [409]
Gregor Mendel was an important scientist, considered to be the founder of the science of genetics. His experiments on the crossbreeding of plants and the passing down of favourable traits, led him to establish the laws of Mendelian inheritance. He was using pea plants for his experiments and he was studying seven different pea traits: pea shape and color, pod shape and color, flower color, plant size and position of flowers.

7 0
3 years ago
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