glycolysis in the cytoplasm is similar in both fermentation and cellular respiration.
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1. Almost 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium.
2. The four most abundant elements in the human body – hydrogen, oxygen, carbon and nitrogen – account for more than 99 per cent of the atoms inside you.
Answer:
B
Explanation:
Carbon is a versatile element and is found in many different chemical compounds, including those found in space. Carbon is versatile because it can form single, double, and triple bonds. It can also form chains, branched chains, and rings when connected to other carbon atoms.
Answer:
Option C, shared DNA sequences
Explanation:
Complete question -
What evidence suggests that vertebrates are more closely related to echinoderms than are any other invertebrate phyla?
- shared patterns of development
- shared morphology
- shared DNA sequences
Solution
Vertebrates have true backbone while invertebrates lack true backbone. Among the invertebrates, the echinoderm phylum is closely related to vertebrates as the echinoderm possesses notochord (similar to backbone) during their early stage development which disappears later.
Through the genomic sequence studies it has been found that echinoderms are similar to vertebrates in many ways. Echinoderms have diverged from deuterostomes along with human and hence pose some genetic similarity which can be devised through study of common DNA sequences
Hence, option C is correct
<u>Answer:</u>
The plant roots are most likely found at "horizon".
<u>Explanation:</u>
Plant roots are extremely likely to occur in topsoil (horizon). Plant roots are organs which consume water and nutrients. Topsoil or front layer consists of minerals and decomposed organic matter and is also very dense in color, known as humus.
In this layer the plant roots grow primarily. The humus is composed of nutrients that sustain plants. The humus often soaks up and is easier to hold water. In this soil horizon the plurality of plant roots expand, and plants consume nutrients and water from this coating.