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Softa [21]
3 years ago
15

Dr. stott is a developmental psychologist who studies how environmental influences impact gene expression without changing dna.

what does she research? chromosomes heredity genome epigenetics
Biology
2 answers:
julsineya [31]3 years ago
8 0
<span>Dr. Stott is researching epigenetics. Epigenetics is the study of changes that occur in gene expression with no changes in the actual gene sequences. Environmental factors can influence gene expression without changing the DNA sequence, making this the study of epigenetics.</span>
Setler79 [48]3 years ago
3 0
Dr.Stott is teaching epigenetics.
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Protists such as the paramecium and amoeba, egg cells and slime molds are examples of
mr_godi [17]

Answer:

The cells adapted by modifying their shapes.

Explanation:

The larger the cell, the smaller the surface / volume ratio. This can be a problem because it causes the cell to have difficulty in absorbing nutrients, in addition to having difficulties in releasing substances that are not relevant inside. To circumvent these difficulties and have a good functioning, many large cells adapt by modifying their shapes to increase their surface. In this way many large cells are presented with a thin and elongated shape, others create several appendages on their surface.

5 0
3 years ago
How does sunlight affect aquatic life in the Blue Cypress Lake?
wlad13 [49]

Answer:

Blue Cypress Lake, originally called Lake Wilmington, is a lake in Indian River County of the Treasure Coast in Florida. It is the largest lake in the Treasure Coast and Indian River County. It is the headwaters lake of the St. Johns River. The sources of water are several creeks from the south (Mudfish Slough, Padget Branch, Holman Canal, and Fisher Creek), two from the west (Trim Creek, Blue Cypress Creek), and Moonshine Bay from the North that flow into the lake. All the water flows out of the lake to the northwest into M Canal and Zigzag Canal. The lake is over 6,500 acres (26 km²) in size, 21 mi (34 km) in circumference, and has an average depth of 8 feet (2 m). The lake is 2,100 acres (8.7 km²) larger than Lake Washington, 27 mi (43 km) north of this lake. The lake's name comes from the blue appearance of the cypress trees as the morning sun's rays reflect off the water. A fishing camp called Blue Cypress Lakeside Cabins is 4 mi (6 km) off State Road 60. The Blue Cypress Village (about 70 units) is south of the small boat canal from the fish camp.

8 0
3 years ago
Read 2 more answers
Populations that exhibit logistic growth still exhibit exponential growth. This statement is:
adoni [48]

Answer: Option B (True)

Explanation: The statement can only occur in different populations of the same organism. The two growth strategies happens in different modes.

Firstly, logistic growth occurs when the resources available in the habitat (i.e organism’s niche) are limited to satisfy the whole population and this allows the organisms of the same species to grow rapidly until it reaches the point the resources can circulate, the carrying capacity.

While exponential growth occurs when there's abundance of resources for the population and allows growth of population beyond the carrying capacity, which results to overshoot of population in later stage of growth.

Secondly, in logistic growth population rarely crash but in exponential growth, population crashes due to mortality (often by predation, disease outbreak and etc) when there's overshoot of population beyond the carrying capacity.

Note: Population refers to the total number of organisms of the same species inhabiting a geographical area at a particular time.

4 0
4 years ago
TRNA molecules bring a specific ________________ to the ribosome, according to the ______________. *
Veronika [31]

Answer:

tRNA molecules bring a specific <u>amino acid</u> to the ribosome, according to the <u>mRNA codon</u>.

Explanation:

In the context of protein synthesis, an mRNA molecule contains the specific codons that encode the amino acids that will be part of the protein. The tRNA is in charge of bringing the amino acids to the ribosome, according to the specific information of the mRNA codons.

The function of tRNA depends on the complementarity that exists between the mRNA codon and the anti-codon tRNA, in such a way that :

  • <em>The pattern in the amino acid sequence of a protein is indicated by mRNA </em>
  • <em>tRNA has a complementary anticodon, so it will only bring the specific amino acid that the codon encodes.</em>

In general terms, each mRNA molecule possesses the genetic code that indicates the amino acid sequence of a protein, and tRNA helps bring those amino acids to the ribosome for synthesis to occur.

3 0
3 years ago
What is correct sequence of repair as a fracture bone goes through the healing process?
forsale [732]
First hematoma appear, then callus is formed, then ossification occure, and last thing remodelling of the bone.
6 0
4 years ago
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