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poizon [28]
3 years ago
5

Gravity moves rocks and soil uphill true or false?

Biology
2 answers:
dedylja [7]3 years ago
4 0
False gravity pulls rocks down
marysya [2.9K]3 years ago
4 0
False- gravity pulls objects towards the Earth as a result of the gravitational force. Hope this helps! :)
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Give two examples of habitats that will go through primary succession.
slega [8]

Answer:

Here are a few examples:

Volcanic eruptions.

Retreat of glaciers.

Flooding accompanied by severe soil erosion.

Landslides.

Nuclear explosions.

Oil spills.

Abandonment of a manmade structure, such as a paved parking lot.

Explanation:

7 0
3 years ago
Avery and DNA (page 289)
Ivan

Yes, Avery, Mc Leod and Mc Carty do thought that genes may be involved in the transformation of non virulent rough Strains of <em>Diplococcus pneumoniae</em> to harmful smooth strained bacteria

<h3><u>Explanation:</u></h3>

Avery was a Canadian medical researcher who along with other two well known scientists of the contemporary time went for an experiment where he took two strains of bacteria Diplococcus pneumoniae - one is rough and nonvirulent and another is smooth and virulent. For a control run, he injected both the bacteria in separate mice and the expected result was there. Now as he injected heat killed smooth bacteria, the mice survived. But as he injected heat killed smooth bacteria with rough bacteria, although there was no organism which can kill the mice the mice died. And autopsy revealed the presence of live smooth bacteria in the lungs.

Thus they suspected something have gone from the dead smooth bacteria into the non virulent rough bacteria which lead to transformation of the rough bacteria to smooth ones. Thus, the experiment was carried on, which suspected role of genes in this transformation.

5 0
3 years ago
Sometimes the microvilli on the epithelial cells lining the proximal tubule are destroyed. What effect would this have?
Aleonysh [2.5K]

Answer:

Reduced reabsorption of salts and nutrients from the proximal tubule.

Explanation:

The proximal convoluted tubules are the site for reabsorption of the largest amount of solute and water from the filtered fluid. It reabsorbs 65% of water, electrolytes such as Na+ and K+, almost 100% of the filtered glucose and amino acids and other electrolytes such as Ca2+, Mg2+, etc.

The simple cuboidal epithelial cells of the proximal convoluted tubule have a prominent brush border of microvilli on their apical surface. These microvilli serve to increase the surface area for reabsorption and secretion. Destruction of these microvilli would reduce the reabsorption of the above-mentioned salts and nutrients from proximal convoluted tubules.

7 0
3 years ago
My thoughts about genetically modified crops
dedylja [7]
GMOs do not put consumers at any more Rick than non modified food would. It also has increased crop yields abs reduces costs for food production.
8 0
2 years ago
How many mutated genes are in each cell
tekilochka [14]

Answer:

The human genome contains around 20,687 protein-coding genes. Different genes or instructions are read at different times in different cells in response to the requirements of our bodies. Each cell contains two sets of genes, one from your mother and one from your father.

Explanation:

3 0
3 years ago
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