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blondinia [14]
3 years ago
11

Chlorophylla is a critical pigment in plants that not only gives many of them their characteristic green color, but

Biology
1 answer:
Korolek [52]3 years ago
3 0

Answer:

In the plant cell it's found in the chloroplast.

Hope this helps.

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Describe the steps to transcribe an mRNA molecule and use the mRNA molecule to produce proteins.
oksano4ka [1.4K]

Answer:

Explanation:

The genes in DNA encode protein molecules, which are the "workhorses" of the cell, carrying out all the functions necessary for life. For example, enzymes, including those that metabolize nutrients and synthesize new cellular constituents, as well as DNA polymerases and other enzymes that make copies of DNA during cell division, are all proteins.

In the simplest sense, expressing a gene means manufacturing its corresponding protein, and this multilayered process has two major steps. In the first step, the information in DNA is transferred to a messenger RNA (mRNA) molecule by way of a process called transcription. During transcription, the DNA of a gene serves as a template for complementary base-pairing, and an enzyme called RNA polymerase II catalyzes the formation of a pre-mRNA molecule, which is then processed to form mature mRNA (Figure 1). The resulting mRNA is a single-stranded copy of the gene, which next must be translated into a protein molecule.

During translation, which is the second major step in gene expression, the mRNA is "read" according to the genetic code, which relates the DNA sequence to the amino acid sequence in proteins (Figure 2). Each group of three bases in mRNA constitutes a codon, and each codon specifies a particular amino acid (hence, it is a triplet code). The mRNA sequence is thus used as a template to assemble—in order—the chain of amino acids that form a protein

But where does translation take place within a cell? What individual substeps are a part of this process? And does translation differ between prokaryotes and eukaryotes? The answers to questions such as these reveal a great deal about the essential similarities between all species.

7 0
3 years ago
Mammalian target of rapamycin pathway mutations cause hemimegalencephaly and focal cortical dysplasia
GuDViN [60]

Yes, it is true that Mammalian target of rapamycin pathway mutations cause hemimegalencephaly and focal cortical dysplasia.

Focal malformations of cortical development, including focal cortical dysplasia (FCD) and hemimegalencephaly (HME), are important causes of intractable childhood epilepsy.

Using targeted and exome sequencing on DNA from resected brain samples and non-brain samples from 53 patients with FCD or HME, we identified pathogenic germline and mosaic mutations in multiple PI3K/AKT pathway genes in 9 patients, and a likely pathogenic variant in 1 additional patient.

Our data confirm the association of DEPDC5 with sporadic FCD but also implicate this gene for the first time in HME. Our findings suggest that modulation of the mammalian target of rapamycin pathway may hold promise for malformation-associated epilepsy.

Learn more about mutations here : brainly.com/question/17031191

#SPJ4

5 0
1 year ago
An asynchronous culture is given 3H-thymidine for a period of time, usually about 30 minutes. During the labeling period, 42% of
Sphinxa [80]

Answer:

How long is the G2 phase = 6hours

Explanation:

Cell cycle undergoes various stages  during mitotic cell division.

Normally cells are arrested in the resting phase G0 but as the cell division starts it undergoes G1 the growth phase then it undergoes S phase called the Synthesis phase in which the DNA synthesis occurs. Then it undergoes G2 Phase and is the shortest phase while G1 is the longest phase of the cycle. G2 normally lasts for 3-4 hours so here it may take 2.775 hours as due to presence of Thymidine the synthesis of DNA occur at high level so it contains higher levels of cellular DNA than in the G1 . so it will take  6hours G2 phase to occur.

7 0
3 years ago
Select the correct answer. betty drew the life cycle of a butterfly for a science exhibition. the life cycle showed the various
SSSSS [86.1K]
Is it d I think not sure
7 0
1 year ago
Select the examples of genetically motified organisms (GMOs) SELECT ALL THAT APPLY
gtnhenbr [62]

Answer:

II. A soybean crop modified to posess herbicide resistance

III. A farm-raised pig engines to digest food more efficiently

Explanation:

The organisms listed have been modified

8 0
3 years ago
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