BIOLOGY MIDDLE SCHOOL

Which of the following is a method that genetics use to determine if an individual has chromosome abnormalities?

Answers

Answer 1
Answer:

Answer:

I don't know the answer I'm sorry


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COLLEGE

hrough which plant structures is oxygen gas released into the air as a waste product of photosynthesis?

Answers

Stomata

Stomata are the plant structures through which oxygen gas is released into the air as a waste product of photosynthesis. Stomata are tiny pores in the epidermis of a plant through which gases (carbon dioxide and oxygen), and water vapor enter and exit. A stoma contains a cell wall, chloroplast, a vacuole and a cell nucleus.






MIDDLE SCHOOL

What structure is required for an eukaryotic organism to be classified as an autotroph?

Answers

Answer:

Chloroplast

Explanation:

This organelle in cells indicates that an organism can harness energy from the sun and other abiotic factors like carbon dioxide to make their own ‘food’. Chroloplasts have chlorophyl piments that contains photosystems centers that harness energy from the sun for photosynthesis. This light energy from the sun is captured and transferred in chemical bonds of manufactured carbohydrates which are stored in the plants. These plants transfer this energy in an ecosystem when they are consumed by higher organisms in the food chain.

HIGH SCHOOL

Which organelle , if empty, would cause the plant to wilt? why is this?

Answers

The vacuole. because it contains water and placed in hypertonic solution and the cell ( the vacuole ) empty thus when it shrinks the water get out and plasmolysis occur the the plant wilt
HIGH SCHOOL

Once researchers identified DNA as the molecule responsible for transmitting heritable traits, they asked how information was transferred from the DNA in the nucleus to the site of protein synthesis in the cytoplasm. Which of the following statements correctly describes the mechanism of information transfer in eukaryotes that accomplishes this task? A) Transfer RNA takes information from DNA directly to a ribosome, where protein synthesis takes place.
B) Histone proteins in the chromosomes transfer information from the nucleus to the ribosome, where protein synthesis takes place.
C) Messenger RNA is transcribed from a single gene and transfers information from the DNA in the nucleus to the cytoplasm, where protein synthesis takes place.
D) DNA from a single gene is replicated and transferred to the cytoplasm, where it serves as a template for protein synthesis

Answers

Answer:

C) Messenger RNA is transcribed from a single gene and transfers information from the DNA in the nucleus to the cytoplasm, where protein synthesis takes place.

Explanation:

DNA transfers the heredity information from parents to the offspring, via central dogma. DNA transcripts its information into messenger RNA, inside the nucleus via RNA polymerase and addition of base pairs.

This transcript of RNA carries the information encoded on it. It translates its information into proteins in the cytoplasm, According to the mRNA sequences the amino acid codons are created that form the specific peptides. This is how information is transferred from DNA in the nucleus and then to the cytoplasm.  

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