Answer:
Cellular respiration.
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A. oxygen
B. carbon
C. nitrogen
D. carbon dioxide
Answer:
B. Oxygen
Explanation:
Answer:
A. Oxygen
Explanation:
During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.
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short, and TT & Tt = tall)
Answer:
A punnet square is a diagram which is made to illustrate the percentages of the traits that will be passed on from the parents to the offsprings.
If jenny crosses a heterogenous tall dominant pea plant with a short homozygous pea plant then 50 percent of the offsprings will be short.
If Jenny crosses a tall, dominant homozygous pea plant with a short homozygous pea plant then all of the offspring will be tall and heterogenous dominant
Answer:
Twenty five percent
Explanation:
Let us assume that the allele for tall pea plant be "T" and the allele for short pea plant be "t".
Also let us assume that "T" is dominant over "t"
A hybrid pea plant will have both the allele for tall and short plants.
Thus, genotype of hybrid pea plant would be "Tt"
Now if two hybrid pea plants are crossed, then following offspring are formed -
Tt * Tt
TT, Tt, Tt, tt
Thus, out of four only one offspring having "tt" genotype will produce short pea plants.
Thus, probability is equal to
%
Answer:
Chromatids of homologous chromosomes exchange corresponding segments.
Explanation:
The crossover of chromosomes is the exchange of genetic material between homologous chromosomes. Homologous chromosomes are present in the meiosis I, but not in meiosis the II. After pairing up of in the prophase I, homologous chromosomes are able to exchange some corresponding segments and a cross-over occurs. Thanks to the cross-over event, each chromosome will have a new combination of genes. Without this, parents will produce gametes with only two different gene combinations.
Answer:
Chromatids of homologous chromosomes exchange corresponding segments.
Chemical breakdown processes in cells directly involve enzymes, which facilitate chemical reactions by lowering activation energy. Examples include cellular respiration and digestion.
All chemical breakdown processes in cells directly involve enzymes, which are specialized proteins that facilitate chemical reactions. Enzymes work by lowering the activation energy required for a reaction to occur, allowing chemical breakdown to happen more efficiently. Some common examples of chemical breakdown processes in cells include cellular respiration, where glucose is broken down to release energy, and digestion, where food molecules are broken down into smaller units for absorption.
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Chemical breakdown processes in cells directly involve catabolic reactions, which form part of the cell's metabolism. Complex molecules are broken down into simpler ones, releasing energy. An understanding of this process is vital for understanding how cells, and biological systems more generally, function.
All chemical breakdown processes in cells directly involve a type of biochemical reaction known as catabolism. This is part of the cell's metabolism, which includes all chemical reactions that occur within the cell. Catabolism is the process through which complex molecules are broken down into simpler ones, with an accompanying release of energy.
For example, complex carbohydrates from food are broken down into simpler glucose units through catabolism. Furthermore, catabolic reactions also involve the breakdown of Adenosine triphosphate (ATP), the primary energy currency of cells. The energy released from catabolic processes drives different cellular activities and reactions.
The balance between catabolic and anabolic (building up) processes allows cells to harvest and efficiently use the energy necessary for their functioning. Therefore, energy is central to these cellular chemical processes. To understand any biological system, including cells and their biochemistry, it is crucial to understand how energy flows and is utilized within these systems.
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