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arlik [135]
3 years ago
13

What creates global winds?

Biology
1 answer:
Katena32 [7]3 years ago
4 0
Global winds refer to the pattern of air movement all around the globe, and they result from the fact that the Earth receives unequal heating from the sun. Not only does the tilt of the Earth's axis mean that different parts in the planet receive desperate amounts of sunlight, but the oceans and lands also heat at different rates. The imbalance in temperature makes heat move toward the poles, both in the wind and in ocean currents. When horizontal variances in air pressure take place as a result, wind occurs.
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1. Explain vegetative reproduction?
Yakvenalex [24]

Answer:

Asexual plant propagation methods produce new plants from vegetative parts of the original plant, such as the leaves, stems and roots. These methods are generally referred to as vegetative propagation.

<h3>e.g. rhizome, bulb, tuber etc</h3>

<h2>Hope it helps you!!</h2>
5 0
2 years ago
Use the diagram to answer the following questions:
Svet_ta [14]

The DNA is splitting in two, thymine pairs with adenine, and guanine pairs with cytosine

7 0
3 years ago
If an organism has 6 haploid chromosomes, how many chromosomes are present? 6 12
gavmur [86]
The Haploid number is half (haploid cells are sex cells egg and sperm they have half as many chromosomes as the diploid cells which are normal cells ) of the chromosomes so that would be 12. To clarify that if a organism has 12 chromosomes and reproduce sexually it takes two
parents each contributing ether a egg or sperm each egg or sperm contains half of the genetic
<span> material 


Your answer would be (6)




Hope this helps.
</span>
4 0
3 years ago
1) Bacteria respond to changes in their environments, such as nutrient availability, by regulating their metabolic pathways. Des
nasty-shy [4]

Answer:

Examples:

- Short-term adaptation: feedback inhibition

- Long-term adaptation: regulation of gene expression

Explanation:

Feedback inhibition is a mechanism where the product of a chemical reaction is utilized to modulate its own subsequent synthesis. In bacteria, feedback inhibition allows regulating different metabolic pathways in response to environmental conditions by modulating enzyme activity through enzyme reaction products. Moreover, bacteria may also respond to environmental inputs by long-term changes in gene expression. For example, bacteria contain transcription factors activated during stress, which are able to activate the transcription of particular genes into messenger RNAs (mRNAs) that would subsequently be used to generate particular enzymes by the process of translation. These transcription factors may bind to specific DNA motifs in order to promote transcriptional activity, thereby regulating the production of the corresponding enzyme.

4 0
2 years ago
Gene mutations can be positive negative or neutral suppose that the normal gene in model 2 produces a polypeptide that was neces
IRINA_888 [86]
Mutations are the source of all new alleles. An allele is a variant form of a gene. Variations in alleles lead to variations in organisms. Positive mutations give an organism a better chance of survival. It means that the mutation may be passed on to the offspring. Negative mutations may lead to an early death.<span> Therefore, changes in alleles from one generation to another form the basis of evolution.</span>
6 0
2 years ago
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