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4 years ago

Which type of organic molecule is wax?

Biology

2 answers:

loris [4]4 years ago

4 0

I think its lipids
Hope this helps :)

Elena L [17]4 years ago

3 0

<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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What evidences do scientist use to support the continental drift theory ?

Nesterboy [21]

Answer:

B. Rocks, fossils, climate

Explanation:

Rocks :it can make sense if the whole world was a whole rock the... It looks like a puzzle but with some missing pieces

Fossils:of long extinct creaters

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3 years ago

Imagine that you've isolated the complete human growth hormone gene directly from the human genome. After running through all th

aliina [53]

Answer:

a. Bacteria cannot carry out splicing.

Explanation:

Human genes contain non-coding sequences called introns. Transcription of genes produces primary transcripts that undergo post-transcriptional modifications to produce mature mRNA. These modifications include removal of introns, the addition of 3' poly-A tail and 5' cap. The splicing of introns from primary transcripts is followed by ligation of protein-coding sequences exons to produce mature mRNA. The mRNA leaves the nucleus and serves as a template for protein synthesis.

Splicing of introns requires specific machinery such as several small nuclear ribonucleoprotein complexes, etc. which are not present in a prokaryotic cell. Therefore, a eukaryotic gene like the gene for human growth hormone is not expressed in a bacteria cell as these prokaryotic cells cannot carry out the splicing of introns from pre-mRNA.

5 0

3 years ago

What is endosperm? via cotyledons, a source of food for the embryo the leaves that are a part of the embryo the male portion of

AfilCa [17]

Answer: Option A

Explanation:

An endosperm is defined as the tissue which are produced inside the seeds during fertilization. As the endosperm surrounds the embryo, it acts as the food storage for the embryo and provide nutrition.

During embryo development , endosperms supports enlargement of cotyledons which helps in storage function and stores fats and starch and provide nourishment to the embryo.

for example cereal crops or grains are primarily endosperm which stores fat and starch and are edible fruits.

Hence, the correct option is A, endosperm can be a cotyledon which functions as a source of food for embryo.

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3 years ago

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sveticcg [70]

Climate change threatens the air you breathe

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3 years ago

Read 2 more answers

Go find 5 materials that's u can use in ur garden. <br>Please answer.

belka [17]

Answer:

Soil knife to make digging the soil easier

Handheld pruners to fix and prune the plants of your garden

Gloves to keep your hands save from any harmful or chemical substance.

Binder twine to maintain the plants (to tie their stems together)

A notepad and pen to check the progress of your plants (e.g.: you might need to note down whether a plant may need more water or nutrients (mineral ions), if you see a plant almost wilting, appropriate actions must be taken so notepad and pen can help you track this down, so that you can get the appropriate resources needed)

(Done with the help of goxogle, but summarized, check full website here: https://gbbg.org/2020/03/5-tools-garden-bag/ )

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3 years ago