Plants perform both photosynthesis and cellular respiration.
During photosynthesis, the plant converts solar energy into chemical form. Plant captures light that comes directly from the sun and through different ranges of reaction, using its energy to build sugar molecules known as glucose.
Glucose consists of six oxygen atoms, six carbon atoms and twelve hydrogen atoms. When plant produces glucose molecules, it gets the carbon and oxygen it required to make the glucose molecules from carbon dioxide taken from the air.
Although there is no presence of hydrogen in carbon dioxide, therefore the plant uses water to replace hydrogen. The world is surrounded with large volume of water and every water molecules is made of two hydrogen and one oxygen atom.
For the plant to take the hydrogen needed to build molecules, it use the energy obtain from the sun to split the water molecule apart. During photosynthesis, plant consumes carbon dioxide water, and produces oxygen and glucose.
The glucose produced by the plant is important for cellular respiration. During cellular respiration, the presence of chemical energy in the glucose molecules is converted into a form that plant can utilize for reproduction and growth.
The first step of respiration is known as glycolysis, at this step the glucose molecule is broken down into molecules that are smaller also known as pyruvate and a little energy is also released in the form of ATP. The result of cellular respiration in plant is that it consumes oxygen and glucose and produces water, carbon dioxide and ATP energy molecules
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The statement that plants perform both photosynthesis and cellular respiration is correct. Photosynthesis is a process used to synthesize food with sunlight and cellular respiration coverts the produced sugar into usable energy.
The correct answer to the question is d. Plants perform both photosynthesis and cellular respiration.Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll pigments. Oxygen is a product in this process, not a reactant.Cellular respiration is the process by which cells in plants, animals and other organisms break down sugar and turn it into energy, which is then used to perform work at the cellular level. This process does use oxygen as a reactant to convert the stored sugar into usable energy.
Therefore, plants do both photosynthesis (to make sugar and produce oxygen) and cellular respiration (to break down the sugar into usable energy).
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Meiosis is a biological process in eukaryotes that reduces the number of chromosomes in a cell by half and introduces genetic variation. It produces four genetically unique haploid cells from each diploid parent cell, which are essential for sexual reproduction.
The main functions of meiosis are to reduce the number of chromosomes in the parent cell by half and to produce four genetically unique haploid cells from each diploid parent cell. In eukaryotes, this process is necessary for sexual reproduction. Meiosis begins with the duplication of each chromosome during the interphase. This is followed by two rounds of nuclear division where homologous chromosomes and then sister chromatids are separated into different nuclei. This process introduces genetic variation through crossover in prophase I and random alignment of chromosomes at metaphase I.
Diploid cells are those that contain two sets of chromosomes (one set from each parent). In contrast, haploid cells produced by meiosis contain only a single set of chromosomes. After meiosis, these haploid cells (sperm and eggs in animals) can fuse during fertilization to produce a diploid offspring with two sets of chromosomes. The genetic variation introduced during meiosis and fertilization is critical for the survival and evolution of species.
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2. Describe how a food chain differs from a food web and explain what the arrows on the food chain show
Answer:
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Explanation: tell me
Answer:
no they are not .
Explanation:
enzymes are made up chains of amino acids . and they perform the critical task of lowering the activation energies of chemical reactions inside the cell .
Answer:
The correct answer will be-alleles
Explanation:
The instructions of the cell are decoded in a molecule called DNA nucleic acid which provides the code for every metabolic function of the cell.
The part of the DNA which codes for a specific trait is known as the gene which is present in various forms called alleles. These alleles are present on a specific location on DNA called locus.
The alleles express a trait only when the two alleles for the same trait on each chromosome complement each other after fertilization. Therefore, the allele is the correct answer.
Answer: As the P and S waves travel out from an earthquake the P waves get progressively farther ahead of the S waves. Therefore, the farther a seismic recording station is from the earthquake epicenter the greater will be the difference in time of arrival between the P and S wave.