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Black_prince [1.1K]
3 years ago
5

What is the structure of a stem

Biology
1 answer:
erica [24]3 years ago
3 0
Vascular tissue composed of xylem<span> (red) and </span>phloem<span> tissue (green, between the</span>xylem<span> and </span>cortex<span>) surrounds the pith. Collenchyma cells are elongated cells with unevenly-thickened walls . They provide structural support, mainly to the stem and leaves.</span>
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The American Black Bear lives in many parts of North America. A black bear in Colorado might hibernate for three or more months
Rudik [331]
C. Florida black bears have less territory and cannot risk a long hibernation.
4 0
3 years ago
Calories from saturated fats and/or added sugars in foods that have little or no nutritional value, such as sausages and ice cre
Viktor [21]

Calories from saturated fats and/or added sugars in foods that have little or no nutritional value, such as sausages and ice cream, are called Empty Calories.

Calories can be defined as the amount of energy extracted from the food which an individual eats throughout the day. According to dietary guidelines, a young person [20-25 years old] must intake between 1,600 and 3,000 calories per day.

Foods such as sausages, ice cream, pizza, and soft drinks have a high amount of empty calories because solid fats and added sugars are used in their manufacturing to add flavors and make the food more appealing but they have no nutritional value.

The amount of empty calories a person intakes should be decreased by avoiding such food items and drinks.

Learn more about Empty calories here

brainly.com/question/750052

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5 0
2 years ago
The psychologist most closely associated with the school of functionalism is
Nostrana [21]

Answer:

Explanation:

Edward B. Titchener. Functionalists, including psychologists William James and James Rowland Angell, and philosophers George H, they stressed the importance of empirical, rational thought over an experimental, trial-and-error philosophy.

hope it helps

3 0
3 years ago
4. Dr. Fisher was found lying on his back. Is it likely that his body was moved after death? Why or why not?
baherus [9]

Answer: No

Explanation:

Dr. Fisher was lying on the back thus postmortem staining can be observed on his back. But if the body was moved after death then postmortem staining can also be observed on different parts of the body that can be the front part.

5 0
3 years ago
Explain why disease alleles for cystic fibrosis (CF) are recessive to the normal alleles (CF+), yet the disease alleles responsi
Korvikt [17]

Answer:

Cystic fibrosis mutation is recessive to normal allele because only one functional or normal allele is enough to produce a functional protein. So, if mutation is present in one allele then also, a normal protein can be made from normal allele. The presence of normal protein prevents the expression of disease.

In addition, mutated allele only results in the loss of function of protein which can be compensated by the expression of normal allele. It does not add any toxic effect to the protein. Consequently, the disease is inherited in autosomal recessive fashion.

In contrast, Huntington mutation not only alters the structure of the functional protein but also adds toxicity to it. The altered protein is enable to interact with 100s of other proteins and inhibit or decrease their function. So, if only one allele is present then also, the mutated protein will be produced and it will result in the phenotype. Consequently, it is inherited as autosomal dominant fashion.

4 0
3 years ago
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