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jonny [76]
3 years ago
8

The energy-absorbing molecules of plant cells are located in the _____________.

Biology
1 answer:
Ira Lisetskai [31]3 years ago
8 0
Stroma that's where energy is stored
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After suffering a head injury, doctors discover that your
VikaD [51]

Answer:

1. You will be unable to smell

3. Your olfactory receptor cells will no longer be able to respond  to molecules trapped in the mucus.

Explanation:

The Olfactory receptors are the receptors present in the olfactory neurons which detect different odorants or smell.

The olfactory receptors are embedded in the epithelium or mucous lining of the nose in which one extension of the cell body reaches the epithelium surface and branches into cilia like structures which sense the odour.

If the axons of the olfactory cells are broken then the cells will not be able to respond to the molecules trapped in the mucus and thus no detection of odour. The signal will not be generated in response and thus will not be sent to the brain. Thus, the person will not be able to smell.

Thus, Options-1 and 3 are correct.

5 0
3 years ago
What is the most accurate description of the structure labeled B?
ANEK [815]
The correct answer is B. Thymus gland: enables immature lymphocytes to mature into T cells
6 0
3 years ago
Read 2 more answers
A gene on human chromosome 15 is expressed throughout the body. However, in the brain, only the maternal copy of the gene is exp
lord [1]

Answer:

C) Through genomic imprinting, methylation regulates expression of the paternal copy of the gene in the brain.

Explanation:

The pattern of gene expression wherein either paternal or maternal gene is expressed in specific cells while the other one is prevented from expression is known as genomic imprinting.

In the given example, the maternal copy of the gene on chromosome 15 is expressed in brain cells while its paternal copy is not expressed in these cells. Hence, the pattern of expression of this gene is regulated through genome imprinting. One of the mechanism is methylation of cytidine residues of CpG islands of the DNA that are more frequently present within promoters of the genes.

When the cytidine residues of these sequences are methylated into 5-methylcytidine, the transcription factors do not bind to these promoters preventing the expression of these genes.

Hence, methylation of cytidine residue in CpG islands of the promoters of the gene present on chromosome 15 could have silenced its expression in brain cells.

6 0
3 years ago
The cycle of the moon’s phases is predictable. About how long does it take to cycle from a first quarter moon to a full moon?
rodikova [14]
Answer: C

Explanation: The Moon has phases because it orbits Earth, which causes the portion we see illuminated to change. The Moon takes 27.3 days to orbit Earth, but the lunar phase cycle (from new Moon to new Moon) is 29.5 days.
4 0
3 years ago
Read 2 more answers
. <br> Define the term enzyme. Describe how enzymes influence metabolic reactions in the cell.
snow_tiger [21]

Evan is a substance produced by a living organism which acts as a chemical symbol en

Explanation:

enzyme is produce by a living organism which acts as a catalyst to bring about a specific biochemical chemistry

8 0
3 years ago
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