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solong [7]
3 years ago
9

How would the extinction of tiger sharks impact the biodiversity of oceans?

Biology
1 answer:
wariber [46]3 years ago
5 0
It would affect the animals that feed off of the tiger shark.  Also, shark meat contains toxic mercury.  Fun Fact: They can smell up to 100 yards and 91 centimeters.  If helpful please give brainlest answer so I can level up. 

Hope this helps 
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In many cases, the activity of an enzyme is regulated by ____________ feedback where the end product acts as a ____________ inhi
yawa3891 [41]
In many cases, the activity of an enzyme is regulated by Negative feedback where the end product acts as a non competitive inhibitor.
In feedback inhibition the end product of a metabolic pathway acts on the key enzyme regulating entry to that pathway, keeping more of the end product from being produced. The feedback inhibition acts at the first committed step of the pathway, meaning the first step that's effectively irreversible. The pathway steps regulated by feedback inhibition are often catalyzed by allosteric enzymes. 
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3 years ago
An embryologist is looking at a cross-section of a mouse embryo. she notices that flanking either side of the neural tube (the r
Studentka2010 [4]

The answer is ganglia. As indicated, they house many cell bodies of afferent and efferent neurons. Spinal ganglia are located in the dorsal (that contain cell bodies of afferent neurons) and ventral roots (that house cell body of efferent neurons) of a spinal nerve.






5 0
3 years ago
g Classify the statements as describing deoxyribonucleic acid (DNA) or ribonucleic acid (RNA). DNA RNA is a single molecule that
zmey [24]

Answer:

DNA:

- is a single molecule that can be over 10,000,000 nucleotides long

- is usually double stranded  

- includes the base thymine

- is the genome for prokaryotic organisms

RNA:

- can be translated into a protein  

- is usually single stranded  

- includes ribose sugar  

- is a single molecule that can form a complex secondary structure

Explanation:

Deoxyribonucleic acid (DNA) is the hereditary genetic material of both prokaryotic and eukaryotic organisms, while RNA is the genetic material of many viruses. DNA is a double helix molecule composed of four types of nucleotides: a nitrogenous base (Adenine, Thymine, Cytosine and Guanine), a five-carbon sugar (i.e., deoxyribose), and a phosphate group. On the other hand, RNA is usually a single-stranded molecule whose nucleotides contain ribose sugars and Uracil bases replace Thymine bases. During translation, a type of RNA molecule referred to as messenger RNA (mRNA) is used as template to direct the synthesis of a polypeptide chain (protein). This RNA molecule can fold to form stable double-stranded RNA hairpins (i.e., secondary structures).

5 0
2 years ago
Which of the following describes a contribution of Native Americans to ecologists' understanding of interactions between humans
Natasha_Volkova [10]

<span> 
Three Worlds, Three Views: Culture and Environmental Change in the Colonial SouthTimothy Silver
Appalachian State University
©National Humanities Center
For nearly three hundred years before the American Revolution, the colonial South was a kaleidoscope of different people and cultures. Yet all residents of the region shared two important traits. First, they lived and worked in a natural environment unlike any other in the American colonies. Second, like humans everywhere, their presence on the landscape had profound implications for the natural world. Exploring the ecological transformation of the colonial South offers an opportunity to examine the ways in which three distinct cultures—Native American, European, and African—influenced and shaped the environment in a fascinating part of North America.
The Native American WorldLike natives elsewhere in North America, those in the South practiced shifting seasonal subsistence, altering their diets and food gathering techniques to conform to the changing seasons. In spring, a season which brought massive runs of shad, alewives, herring, and mullet from the ocean into the rivers, Indians in Florida and elsewhere along the Atlantic coastal plain relied on fish taken with nets, spears, or hooks and lines. In autumn and winter—especially in the piedmont and uplands—the natives turned more to deer, bear, and other game animals for sustenance. Because they required game animals in quantity, Indians often set light ground fires to create brushy edge habitats and open areas in southern forests that attracted deer and other animals to well-defined hunting grounds. The natives also used fire to drive deer and other game into areas where the animals might be easily dispatched.</span>
8 0
3 years ago
Identify the bone that articulates with the distal end of the femur. view available hint(s) identify the bone that articulates w
MatroZZZ [7]

The correct answer is: <em>tibia</em>

The femur, also known as the thigh bone, is one of the longest bones of the human body. The distal point of the femur refers to the area furthest away from its point of attachment, which in this case is the hip joint (please refer to the attached image). When referring to the image, you can see that the distal end of the femur articulates with the bone known as the tibia or shin bone. The tibia is the larger of the two bones located at the distal end of the femur. The tibia includes the knee and ankle joints. Therefore, the bone that articulates with the distal end of the femur is the tibia.

7 0
3 years ago
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