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2 years ago

What is a molecule? What are some molecules found in the human body?

Biology

2 answers:

Fantom [35]2 years ago

8 0

a molecule is made up of atoms or ions

some molecules found in the human body are H20 or CO2 or O2

VikaD [51]2 years ago

4 0

ORGANIC MOLECULES are made of carbon, which is what our body is mostly made of. The three main types of organic molecules in our body are carbohydrates, lipids, and proteins. 1. CARBOHYDRATES are molecules that store energy a short time.

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A group of single-cell organisms collected from the ocean was brought into the lab for examination. The lab assistant was concer

jolli1 [7]

The correct answer is C. She added water that was hypotonic to the culture of organisms, and they ruptured.

Explanation:

In biology, a hypotonic solution is a substance with less concentration than the inner concentration in cells, this is the opposite of a hypertonic solution that has a higher concentration. Additionally, if cells are in hypotonic solution water or liquid will begin to get into them and this would make cells burst and finally explode and die due to the pressure in them.

This occurred in the case presented as it is likely the organisms collected from the ocean had a high concentration and therefore hen they were exposed to clean water in which concentration was lower, water entered into the cells and made them explode, which explains the only remains of them were bit and pieces.

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3 years ago

What is the last phase of the Cell Cycle? (This is when the genetic material has already been duplicated and what is left to do

Marianna [84]

Answer: mitotic phase

Explanation:

The cell cycle has two phases the Interphase and mitosis. Interphase is the growth phase where the cell prepares itself for the cell division. It is divided into three phase G1 phase( Cell growth),S phase ( DNA synthesis) and G2 phase(cell growth).

Mitotic phase has a multiple steps this is where the duplicated chromosomes are aligned or arranged, separated, and move into two new, identical daughter cells(cytokinesis)

The first step in the mitotic phase is called karyokinesis or nuclear division where the chromosomes are separated and move in opposite direction and the second portion of the mitotic phase, called cytokinesis which is the physical separation of the chromatids into the two daughter cells.

7 0

3 years ago

You are investigating the cell division of a newly identified pathogen that has a rod shape. The organism's genome has been sequ

ch4aika [34]

Answer:

Explanation:

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7 0

2 years ago

What would be the most likely effect on the transcription of the trp structural genes for the mutation scenarios provided? mutat

blagie [28]

Answer:

I've responded to each scenario individually, please see below:

1. mutation that prevents ribosome binding to the mRNA

No transcription occurs

2. 5' UTR mutation that changes region 1 tryptophan codons into alanine codons

Transcription when alanine is low

3. mutation that creates a stop codon in region 1 of mRNA 5' UTR

Transcription occurs, a truncated protein will be made during translation

4. deletions in region 2 of the mRNA 5' UTR

Transcription occurs, region 1 and 2 might get paired together

5. deletions in region 3 of the mRNA 5' UTR

Transcription occurs, region 3 and 4 could combine to form a hairpin loop structure

6. deletions in region 4 of the mRNA 5' UTR

Transcription occurs, region 3 and 4 could combine to form a hairpin loop structure

7. deletion of the string of adenine after region 4 of the mRNA 5' UTR

Transcription occurs, however, it will not be as stable a molecule because of losing its polyA tail

Hope that answers the question, have a great day!

6 0

3 years ago

Read 2 more answers

Organism 1

Ahat [919]

The correct scientific name for Organism 1 is Phoebis philea.

Explanation:

The species of butterfly scientifically named as Phoebis philea and commonly named as orange-barred sulfur, basically found in Americas. Its scientific classification involve following points: Kingdom is Animalia; Phylum is Arthropoda; Class is Insecta; Order is Lepidoptera; Family is Pieridae; Genus is Phoebis and Species is P. philea.

The environment of this species is in tropical scrub, parks, fields and edges of the forest. The creature takes nectar from plants of red colour. The larvae depend on the species Cassia. Wingspan is between 68 and 80 mm. In Florida there are 2-3 generations a year, and one in the northern region of the range with winged adults from mid to late summer.

3 0

2 years ago

Read 2 more answers