Which biomolecules do not function in supporting a cell?

Elena L [17]

<span>Wax is a simple form of lipid molecule. It consists of a long-chain of alcohol and a fatty acid. Many of the natural occurring wax found in nature are used as ingredients for products found in stores like ointments, hand cream, and cosmetics.

Plants have naturally occurring wax on their leaves and stems; these serve as coatings to prevent them from losing excess water. Other forms of wax found in nature are beeswax, used by bees to make their cones for honey and eggs; sperm whales have spermaceti wax found in their blubber; and carnuba wax, is an ingredient commonly used for car waxes, commonly found in Brazilian palm trees. </span>

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2 years ago

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Explain why an individual that is heterozygous for this inversion would be partially sterile

Ipatiy [6.2K]

<span>Heterozygotes for inversion have a serious problem chromosome pairing at meiosis and recombination within the characteristic loop leads to chromosome duplication, deficiencies and in some cases two centro meters after recombination in meiosis.The abnormalities are usually not recovered in next generation because gametes or zygotes are receiving them are in-viable.</span>

4 0

2 years ago

The value of nation's currency increases as the ___________increases

stepan [7]

B: Demand

Explanation:

If the demand increases the Nation's currency values also increases

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2 years ago

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Which of the following accurately describes pollination?

alisha [4.7K]

The correct answer is option B. Wind-pollinated plants rely on large quantities of pollen grains.

The plants, which pollinate by wind spend less energy in creating attractive structures to attract pollinators, instead they produce many pollen grains, which are light and easy to carry by winds. the pollens are usually dry.

The angiosperm mostly rely on animal pollinator and they have large colorful flowers, which produce nectar to attract the insects or other animals.

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2 years ago

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Complete the following sentences to indicate which gene expression components are found in virus particles. Click on a term and

AleksandrR [38]

Answer:

RNA polymerase is always present in the cell, but sometimes present in viruses.
tRNA is always present in the cell but never present in viruses.
Ribosomes are always present in a cell but never present in viruses.
Genes are always present in the cell, but always present in viruses.

Explanation:

Viruses are acellular microorganisms that do not have a biochemical or gene expression of their own. They hijack the host's gene expression system.
RNA polymerase is the enzymes that forms RNA primers during DNA replication and the mRNA transcript of template DNA during transcription. Therefore, RNA polymerase is always required in cells.
Most viruses lack RNA polymerase except some RNA viruses such as polio viruses that contain an RNA dependent RNA polymerase, an enzyme that synthesizes mRNA from an RNA template.
Viruses lack tRNA and ribosomes as they are not capable of translation on their own.
Unlike the gene expression machinery, all organisms including viruses have a genome. Viruses can have both DNA and RNA genomes.

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2 years ago