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Campbell Biology, Volume 2 - With Access (Custom) 14th Edition

Campbell Biology, Volume 2 - With Access (Custom) - 14th Edition - by Reece - ISBN 9781269750028
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Campbell Biology, Volume 2 - With Acces...
14th Edition
Reece
Publisher: PEARSON
ISBN: 9781269750028

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Explanation: Photosynthesis is a process to synthesize carbohydrates. In this process of synthesis,...The cells present in multicellular organisms communicate usually through the signaling molecules...Chromosome, chromatin, and chromatid all occur in the nucleus of the cells, but have some basic...Humans undergo sexual reproduction and inherit one chromosome of each homologous pair of chromosomes...The cross between the individuals that are true breeding homozygous for one allele gives different...Explanation: The X and Y chromosomes act as sex chromosomes in most of the organisms. The genes...A deoxyribonucleic acid (DNA) molecule consists of two polynucleotide chains that associate as a...Explanation: DNA consists of genetic instructions in the form of gene sequences. It directs...Operon contains coding DNA sequences, regulatory DNA sequences, and the regulatory proteins....A living being is made up of cells that exhibit characteristics like growth, movement, and...Explanation: For cloning a eukaryotic gene, the bacterial plasmid vector and the gene segment to be...The main goal of the Human Genome Project was to sequence the entire nucleotide sequence of each...Explanation: Darwin proposed that the “process of natural selection” has led to diversity in the...Higher organisms have a large gene pool that contains non-coded DNA known as introns. As most of the...Explanation: In the “biological species concept”, the members of a species become reproductively...Explanation: The role of montmorillonite clay in the origin of life: The montmorillonite clay is...Chimpanzees and humans are hominoids. They are together classified under the suborder: Anthropoidea....The cell walls of prokaryotes are peptidoglycan in nature, which protect the cell, maintain its...The protists and eukaryotes have many similarities, and it is evident in their structural and...Pictorial representation: Fig.1 shows the phylogenetic tree drawn to represent the relationship...The integument is the outer layer of the ovule in the female, which is diploid (2n). The megaspore...The structure of multicellular fungi plays a vital role in increasing the absorption of nutrients....Animals differ from plants and fungi in following ways: CriteriaAnimalPlantFungiCellular...The sponges have a relatively simple body plan with all cells of the body in direct contact with...Explanation: The features of the common ancestors of chordates are the presence of dorsal nerve cord...There are three essential organs of the vascular plants such as the leaves, stems, and roots. Also,...As a result of selection pressure for plants with tall shoots, the separation of leaves from roots...Soil consists of small particles that vary in size. They are formed by weathering of rocks. They are...The first step of fruit formation starts with pollination followed by fertilization. Ovule is a part...Signal transduction is the process of conversion of an extracellular signal into an intracellular...Explanation: Animals must exchange gases, nutrients, and waste products with the environment. This...Essential nutrients are the nutrients that cannot be synthesized by the body but required to carry...The differences between the flows of fluid in closed circulatory system from the movement of...Explanation: Innate immunity has two major defense mechanisms. They are barrier defense and internal...There are majorly three types of osmotic conditions namely hypotonic, isotonic, and hypertonic...Water-soluble hormones are membrane insoluble and bind to the membrane receptors. These membrane...Explanation: Haploid gametes are produced by meiosis cell division. Meiosis involves the random...Explanation: There are some cell specific surface proteins that is essential for the fusion of sperm...Dendrites receive information from adjacent neurons. The axon transfers the information to the other...Explanation: Spinal cord in the vertebrates runs lengthwise and conveys information to and from the...In response to any kind of threat or pain, sensory neurons transmit the signals to interneurons in...Generally, migration and reproduction is correlated with food availability. The circadian rhythms...Explanation: The movement of air determines the weather of a particular area. The deserts are mostly...The birth rate and death rate of an organism depends upon the number of population present in a...Examples of a pair of species that exhibit the interspecific interactions: Interspecific Interaction...As per the 2nd law of thermodynamics, the useable energy decreases all the time. Only 10% of the...The diversity of animals, plants, and insects is diverse. The role of animals is important in...

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