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STALIN [3.7K]
3 years ago
10

Which statement describes gravity? Check all that apply

Biology
1 answer:
Nina [5.8K]3 years ago
6 0

Answer:

gravity is the force that pulls objects towards earths center

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Which component is affected when a catalyst is added to a chemical reaction? the amount of substrate the activation energy the a
mote1985 [20]

The right answer is the activation energy.

The catalyst increases the reaction rate by introducing new reaction paths (mechanism), and lowering its activation energy, or activation Gibbs free energy. By doing this it can increase the speed, or lower the temperature of the reaction. It is important to note that the catalyst does not alter the total Gibbs free energy of the reaction which is a system state function and therefore has no effect on the equilibrium constant.

7 0
3 years ago
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What is one of the principal chemical compounds that living things use to store energy
arlik [135]

Answer:

<em>ATP</em> or <em>Adenosine triphosphate</em> is the chief compounds which are used by the living things to store energy.

Explanation:

<em>ATP</em> is the compound that captures the chemical energy released through the degradation of food. It <em>stores</em> the captured energy and <em>releases</em> it at the time of need experienced by the organism.

It is made up of adenine, ribose sugar, and a phosphate group. It is produced in a cell organelle called <em>mitochondria</em> through a process called <em>respiration</em>.

6 0
3 years ago
What will most likely be the result of destroying the rain forest for timber harvesting and creating farmland?
tangare [24]

Answer: i would say c beccause the animals and more wont have a place to live so it may be hard for them to survive

Explanation:

pls mark brainliest

3 0
3 years ago
If a true-breeding blue-flowered plant was crossed with a true-breeding white-flowered plant, what phenotypic ratio would we obs
Westkost [7]

Answer:

B. 100 percent white

Explanation:

According to Mendel's law of dominance, the dominant allele of a gene masks the expression of the recessive allele in a heterozygous state. Therefore, when two pure breeding plants that differ with respect to one genetic trait are crossed, the progeny expresses only the dominant phenotype. Here, one allele should be completely dominant over the other. The allele for the white flowers is completely dominant over the allele for the blue flowers.

Let' assume that the allele "W" imparts white color to the flowers while the allele "w" gives blue color. When a true-breeding blue-flowered plant (ww) is crossed with a true-breeding white-flowered plant (WW), the progeny would be heterozygous for the dominant allele "W" and would exhibit "white color of flowers" (the dominant trait).

WW (white-flowered plant) x ww (blue-flowered plant) = Ww (white-flowered plant)

6 0
2 years ago
Plants use carbohydrates to build things such as cellulose. How do plants acquire these building blocks to build mass?
AlekseyPX

Answer:

Photosynthetic process

Explanation:

Cellulose, a tough, fibrous and water-insoluble polysaccharide in the cell walls of plants. It is the most abundant organic macromolecule on Earth and also the main component of a plants structure, conferring rigidity on the plants' cells.

Cellulose chains are arranged in microfibrils or bundles of polysaccharides arranged in fibrils which in turn make up the plant cell wall.

All plants are made up of polysaccharides, a very large sugar molecule made of hundreds or thousands of single sugar units (monosaccharide). Cellulose is composed of a long chain of at least 500 glucose molecules joined together by B-1,4- linkages.

Green plants create this simple sugar molecules (glucose) on their own through the process of photosynthesis. Photosynthesis is the chemical combination or fixation of C02 and water by the utilization of energy from the absorption of visible light. This glucose produced is a building carbohydrate that combines with other sugars to form the plant structure (as they make up part of cellulose) and store energy.

4 0
3 years ago
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