An enzyme is a large ________ molecule.carbohydrate
nucleic acid
polysaccharide
protein

Xylem

Explanation:

The flow of water through the xylem is driven by the evaporation of water from the leaves

• The xylem of a plant is the system of tubes and transport cells that circulates water and dissolved minerals
• Water flows more efficiently through some parts of the plant than others
• Water absorbed by roots must cross several cell layers before entering the specialized water transport tissue referred to as xylem
• These cell layers act as a filtration system in the root and have a much greater resistance to water flow than the xylem, where transport occurs in open tubes
• Once in the xylem tissue, water moves easily over long distances in these open tubes
• There are two kinds of conducting elements (i.e., transport tubes) found in the xylem: 1) tracheids and 2) vessels
• Tracheids are smaller than vessels in both diameter and length, and taper at each end, vessels consist of individual cells or vessel elements stacked end-to-end to form continuous open tubes
• Water movement is passively driven by pressure and chemical potential gradients
• The bulk of water absorbed and transported through plants is moved by negative pressure generated by the evaporation of water from the leaves (transpiration)

The building blocks of nucleic acids are nucleotides, which consist of a sugar molecule, ribose or deoxyribose, a phosphate group, and a nitrogenous base, adenine, guanine, cytosine, thymine, or uracil.

What are nucleotides

Nucleotides are the building blocks of nucleic acids, such as DNA and RNA. They consist of a sugar, ribose or deoxyribose, a phosphate group, and a nitrogenous base, adenine, guanine, cytosine, thymine, or uracil.

Nucleotides link together through phosphodiester bonds, forming the backbone of nucleic acid chains. The sequence of nitrogenous bases along the chain encodes genetic information. Adenine pairs with thymine or uracil in RNA, while guanine pairs with cytosine, creating complementary base pairs.

Nucleotides play a crucial role in storing and transmitting genetic instructions, serving as the foundation for DNA and RNA molecules.

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Answer:

A nucleotide is the basic building block of nucleic acids. RNA and DNA are polymers made of long chains of nucleotides. A nucleotide consists of a sugar molecule (either ribose in RNA or deoxyribose in DNA) attached to a phosphate group and a nitrogen-containing base.

I found this on google because I am not the best at explaining things but I hope this helps :)

Final answer:

Scientific investigation is crucial in the development of the Theory of Natural Selection. This was illustrated by Charles Darwin and Alfred Russel Wallace in the 19th century, who used systematic observation, measurement, and experimentation to formulate the theory that diversity of life arose gradually through natural selection. A notable example is Darwin's research on finches in the Galapagos Islands.

Explanation:

The role of scientific investigation in the development of the Theory of Natural Selection is crucial. Scientific investigation involves the systematic observation, measurement, experiment, and the formation of theories or hypotheses, which are then tested.

In the 19th century, Charles Darwin and Alfred Russel Wallace independently devised the Theory of Natural Selection which proposed that the diversity of life arose through gradual changes in populations over time. They built this theory based on years of careful observation, note-taking, and hypothesis-testing - in essence, systematic scientific investigation.

For example, Darwin observed different variations of finches across the Galapagos Islands and made notes on their physical traits and habitats. Through rigorous analysis of this data, he eventually proposed that each species of finch adapted over generations to best suit its environment via the mechanism of natural selection.

So, scientific investigation played a fundamental role in the formulation and further development of this transformative biological theory.

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Answer:

Decreases.

Explanation:

Biodiversity may be defined as the variety of the living organism found in the earth. The diversity of the species may get affected and do not have any constant number.

The natural or human made calamity can decrease the species diversity. The fire on a grassland causes the death of many species, have harmful effects on many species and reduces the species number as well. This decreases the species diversity of the grassland.

Thus, the answer is decreases.

Answer:

C.

Explanation:

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