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Hunter-Best [27]
3 years ago
12

The students used a microscope to study cells in a

Biology
1 answer:
Burka [1]3 years ago
5 0
Protists two ( plant cells have cell walls and chloroplasts )
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How many strands of mRNA are transcribed from the two “unzipped” strands of DNA?
ratelena [41]

Answer:

Since DNA is double-stranded, two different RNA molecules could in principle be transcribed from any gene, using each of the two DNA strands as a template.

Explanation:

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

8 0
3 years ago
Select all that apply! Chromosomes _____.
topjm [15]

Option A,B,C,E

Chromosomes are rod shaped structures that contain DNA, are located in the nucleus, occur in numbers that are the same for all members of a certain species, are organized into karyotypes for scientists to analyze

<h3><u>Explanation:</u></h3>

A chromosome is the threadlike arrangement of DNA and protein-containing genetic erudition. Chromosomes are packaged and saved inside the nucleus. Various species have distinct amounts of chromosomes. An organism's complete assortment of chromosomes can be observed by practicing pictures of cells dividing. These pictures are then designed to produce a karyotype.

All the various chromosomes of an organism get up that organism's genome.DNA is the construction block of the genetic material observed in all living things. A very long chain of DNA can create a chromosome. In these chromosomes are areas designated as genes that code for particular proteins.

5 0
3 years ago
What disorder is caused by hypersecretion of cortisol from the adrenal cortex?
Assoli18 [71]
That would be Cushing's Syndrome, or Cushing's Disease. If the problem arises in the adrenal gland, then the disorder is primary adrenal insufficiency.
8 0
3 years ago
Which illness is most closely associated with time-temperature abused rice or other starchy foods?
pav-90 [236]
The answer is <span>Bacillus cereus

It is a bacteria responsible for some foodborne illnesses that can be found on rice products, potatoes, and pasta. This can be prevented through time and temperature control. The effect on a person having this kind of bacteria is nausea and diarrhea. 

One solution to prevent this is to give the right temperature through right cooling so germs cannot multiply. </span>
3 0
3 years ago
Which of the following statements about apoptosis is false? a. It is an important process in the development of human fingers an
spin [16.1K]

Answer:

C) Because apoptosis genes kill cells, natural selection is seldom involved in apoptosis pathways.

Explanation:

Apoptosis is a natural process taking in the cell which causes the physiological and biochemical changes in the cell which could cause the death of the cell.

The apoptosis is controlled at the genetic level therefore apoptosis is also known as the programmed cell death.

The studies have shown that the process is involved in the development of the finger and the toes in humans and the sequences controlling the process has been conserved during the evolution in a different organism.

This shows that humans and nematode have the same conserved sequence of apoptosis but the natural selection does not control the apoptosis.

Thus, the selected option is the correct answer.

5 0
3 years ago
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