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3 years ago

Select all that apply: Nucleic acids _____.

Biology

2 answers:

Marat540 [252]3 years ago

5 0

I would believe the correct responses would be option 1,2,4.

aksik [14]3 years ago

4 0

Answer:

The correct answer will be: are the largest of the four main biological macromolecules, consist of DNA and RNA and whether an organism is a bacterium, tree, mouse, or human.

Explanation:

Nucleic acids are the macromolecules which act as genetic material of organisms.Two types of nucleic acids-DNA and RNA act as genetic material.

The structure of these nucleic acids are long chains formed by the bonding of nucleotide units. These nucleotides are made up of 5-C sugar, phosphate and nitrogenous base which make up the long chains of molecule and forms one of the largest biological macromolecule.

The order of nitrogenous bases (adenine,guanine, cytosine, thymine) in the functional part of DNA also called genes decides the fate of cell as they code for proteins. The sequence of these bases in genes is highly conserved among organisms giving uniqueness to the organism but the variation in the sequence of DNA or nitrogenous bases leads to the formation of new organism or new species.

Thus, these options are the correct answer.

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an isolated colony on a selective medium is not considered a pure culture because inhibated organizms might be masked by the col

MArishka [77]

An isolated colony on a selective medium is not considered a pure culture because inhibited organisms might be masked by the colonies. This statement is true.

On the basis of their constitution or usage, culture media can be classified into various groups; these include defined, complex, selective, as well as enrichment medium.

A selective medium consists of dyes or noxious substances/chemicals which inhibit the growth of specific microorganisms but promote the growth of other microbes.

A pure culture is a laboratory culture which contains a single species of microorganism. It is free from other microorganisms.

Since selective media affects the growth of distinct organisms differently, therefore, an isolated colony formed in such type of medium is not considered a pure culture.

To learn more about pure culture here

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1 year ago

2. Music stores arrange CD's according to the type of music - rock, country, folk, and so

IrinaVladis [17]

Classifying answer d because they are classifying by the type of music to organize

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2 years ago

Match the tissues to their functions. nervous tissue epithelial tissue muscle tissue connective tissue structural support arrowR

algol13

Answer:

Explanation:

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3 years ago

Read 2 more answers

2. In order to grow, animals with an exoskeleton must

Rzqust [24]

a.shed their skin..

Explanation:

Exoskeleton

A true exoskeleton, like that found in arthropods, must be shed (moulted) when it is outgrown. ... The new exoskeleton is still capable of growing to some degree, however. Animals of the order arthropoda, like lizards, amphibians, and many other animals that shed their skin, are indeterminate growers

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3 years ago

Mention the 10 Phylla of plants.<br> .

victus00 [196]

1. Phylum Heptophyta- Non Vascular Plants (Bryophytes)

Common Name: Liverworts

Estimated Number of Species: 9,000

2. Phylum Anthocerophyta- Non Vascular Plants (Bryophytes)

Common Name: Hornworts

Estimated Number of Species: 100

3. Phylum Bryophyta- Non Vascular Plants

Common Name: Mosses

Estimated Number of Species: 15,000

4. Phylum Lycophyta- Vascular Plants (Seedless Vascular Plants)

Common Name: Lycophytes

Estimated Number of Species: 1,200

5. Phylum Pterophyta- Vascular Plants (Seedless Vascular Plants)

Common Name: Pterophytes

Estimated Number of Species: 12,000

6. Phylum Ginkgophyta- Vascular Plants (Seed Plants: Gymnosperms)

Common Name: Ginkgo

Estimated Number of Species: 1

7. Phylum Cycadophyta- Vascular Plants (Seed Plants: Gymnosperms)

Common Name: Cycads

Estimated Number of Species: 130

8. Phylum Gnetophyta- Vascular Plants (Seed Plants: Gymnosperms)

Common Name: Gnetophytes

Estimated Number of Species: 75

9. Phylum Coniferophyta- Vascular Plants (Seed Plants: Gymnosperms)

Common Name: Conifers

Estimated Number of Species: 600

10. Phylum Anthophyta- Vascular Plants (Seed Plants: Angiosperms)

Common Name: Flowering Plants

Estimated Number of Species: 250,000

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3 years ago