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Ronch [10]
1 year ago
12

1. This is one structure essential in propagating young trees

Biology
1 answer:
Marizza181 [45]1 year ago
8 0

Answer:

1. B

2. A

3. C

4. A

5. A

Explanation:

A nursery bed can be defined as a specially prepared temporary plot of land or garden which serves as a home for raising seedlings (young plants) prior to planting them in the main location (area). Thus, when older trees in the environment or surrounding dies or are cut-off, these younger plants (trees) propagated in the nursery bed are transferred to replace them.

<em>Some of the criteria or requirements for setting up a nursery bed are;</em>

1. Shed: this is one structure essential in propagating young trees.

2. Location/Site: a place near a source of water should be chosen because water is essential for plant growth and coolness from extreme heat caused by the sun.

3. Storage place for tools and equipment: it is important to have a complete set of tools or their substitute to be able to carry out all nursery activities properly.

4. Boxes, pots, and plots for germinating seeds: there are three places to germinate seeds, young plants, and young trees. Pots are used for germinating young trees while boxes and plots are used for raising seedlings.

5. Soil type: different plants need different types of soil. These includes clay, loamy and sandy soil.

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Why is it wrong to say that bread is a compound?
tatiyna

Explanation:

Bread cannot be classified as a compound. Compounds are formed when two or more substances are bonded together chemically, however, mixtures are not chemically bonded.

Bread is a mixture of several compounds such as sugars, proteins, lipids and gases along with a culture of organisms or chemical leavEning agaent. Several of these components

Explanation:

Large chains of monomers form biological macromolecules which carry out many essential functions in the body these can include nucleic acids, carbohydrates, proteins and lipids. These are organic molecules, meaning they're ringed or long-chain Carbons bonded to the elements oxygen (O), hydrogen (H), nitrogen (N) and phosphorus (P).

  • Proteins are structural support molecules comprised of long chains of amino acids joined via peptide (CONH) bonds; these are 20 specific units that are arranged into several macromolecules. Amino acids are absorbed through digestion and are incorporated into the body’s cells to make up organs muscles signal molecules and an alternative energy source.                                                                 Basic makeup: C, H, O, N, S; polar C, O double bonds and N-H bonding
  • Carbohydrates function to supply energy and support molecules they consist of mainly sugars or starches in long chains and rings to form monosaccharide monomers. They include monosaccharides, disaccharides and polysaccharides which describes the type of bonding and the degree of complexity of the polymers.                Basic makeup: C, H, O -with many polar OH groups
  • Lipids function as energy storage and chemical messengers, these include fats, saturated and unsaturated fatty acids with double bonds and steroids and waxes. However, lipids are comprised of fatty acids and glycerol; they do not contain a fixed set of monomers, and unlike the other biological macromolecules, they are not polymers. The arrangement of hydrophobic heads and hydrophobic fatty acid tails can give these non-polar macromolecules hydrophilic and hydrophobic properties.                                                                     Basic makeup: C, H, O; non polar- a triple condensation reaction produces the molecules from a triple hydroxyl (OH) alcohol bonded to three long-chain carboxylic acids.

Learn more about Lipid macromolecules at brainly.com/question/5094081

Learn more about  proteins and carbohydrates at brainly.com/question/10744528

#LearnWithBrainly

4 0
2 years ago
A researcher claims that the Makira Island and the Santa Ana Island flycatchers are diverging into different species. Identify T
natali 33 [55]

Answer:

Prezygotic barriers:

1. Habitat isolation

2. Behavioral isolation

Explanation:

Pre-zygotic barriers are the barriers which do not allow the formation of the zygote in the organisms.

The two mechanisms of the pre-zygotic barriers are the:

1. Habitat isolation: the Flycatchers do not share the same habitat which is also mentioned in the question that they live on different islands.

2. The behavioural isolation: the Flycatchers could have evolved the different mating rituals as a result of which the could not interbreed.

Thus, Habitat isolation and Behavioral isolation are correct.

8 0
1 year ago
Wolves and hawks are at the same trophic level because they
d1i1m1o1n [39]

Because both eat primary consumers.

6 0
2 years ago
The ATP that is generated in glycolysis is produced by substrate-level phosphorylation, a very different mechanism than the one
Lostsunrise [7]

Answer:

TP synthesis in glycolysis: substrate-level phosphorylation

Explanation:

-One of the substrates is a molecule derived from the breakdown of glucose

-An enzyme is required in order for the reaction to occur

-A bond must be broken between an organic molecule and phosphate before ATP can form.

Incorrect:

-The phosphate group added to ADP to make ATP comes from free inorganic phosphate ions.

-The enyzmes involved in ATP synthesis must be attached to a membrane to produce ATP.

6 0
1 year ago
Short pea plants exist in the P1 and F2 generations. What happens to the phenotype in the F1 generation?
belka [17]

Answer:B:The allele for short pea plants is masked during the F1 generation, but is still present in the genotype

Explanation:

I took the test

6 0
1 year ago
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