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iris [78.8K]
3 years ago
11

Science help plz!!!!!!

Biology
1 answer:
Anastasy [175]3 years ago
8 0

Answer:

living things obtain and use energy

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The first stage of cellular respiration glycolysis is an anaerobic process. During glycolysis glucose is converted to two molecu
Oduvanchick [21]

Answer:

Oxidation of NADH by electron transport chain ensures a continuous supply of NAD+ for glycolysis.  

Explanation:

To continue the process of glycolysis, cells must have a continuous supply of NAD+ which is required during one of the reactions of the payoff phase of glycolysis. Two molecules of NADH are formed per glucose molecule during glycolysis. The NADH gives its electrons to the terminal electron acceptors (O2) via electron transport chain. This ensures that the process of glycolysis is continued in cells to breakdown the glucose into pyruvate.

8 0
3 years ago
All instructions for proteins, like hemoglobin, are stored in our _______, which is located in a cell’s ______________. This DNA
svlad2 [7]

Answer:

1. DNA

2. Nucleus

3. mRNA

4. Transcription

5. Nucleus

6. mRNA

7. Cytoplasm

8. Ribosome

9. Translation

10. anti-codons

11. codon

12. amino acids

13. protein

Explanation:

Deoxyribonucleic acid or DNA hold all the instructions that make up an organism. It determines the physical structure and even the function of the different cells that make up all organisms.

The DNA are all stored in the NUCLEUS of cells. Typically, eukaryotic cells have a nucleus except red blood cells. The nucleus has a nuclear envelope that keeps the DNA stored inside but it has nuclear pores that allows it to interact with the cytoplasm.

In order for DNA to be replicated, it needs to be turned into messenger RNA, otherwise known as mRNA. The mRNA decodes the DNA in order for the cell to use the code. The process is called transcription.

Transcription is done within the nucleus. Before the cell can understand what to do with DNA, mRNA transcribes to know what information it needs to produce specidic proteins.

Once transcription is done, it will then bring the information out of the nucleus and into the cytoplasm. The cytoplasm is the viscous gel-like solution that holds the organelles of the cell. In the cytoplasm you have ribsomes.

Ribosomes is where protein synthesis takes place, this is why it is called the protein factory of the cell. It is a molecule that is made up of ribosomal RNA, which direct the chemical processes involved in protein synthesis. For protein synthesis to happen, it will need another type of RNA, which is the tRNA.

tRNA is transfer RNA and they translate the mRNA sequence into proteins. tRNA have amino acids attached to it.

Each 3 bases of the mRNA are collectively known as codons. These codons correspond with specific  tRNA that hold the anticodons. These anticodons code for specific amino acids that they also hold.

When they pair up, the tRNA drop off the amino acid which form a chain with the other tRNA amino acids that complete the code. These chain of monomers then make the protein specific to the DNA code that was copied in the beginning.

3 0
3 years ago
The polymerase chain reaction relies upon unusual, heat-resistant ________ that were isolated from bacteria living in hot spring
Olin [163]

Answer:

The polymerase chain reaction relies upon unusual, heat-resistant __DNA polymerase molecules______ that were isolated from bacteria living in hot springs.

Explanation:

5 0
3 years ago
The similarities between aerobic and anaerobic respiration
pav-90 [236]
1. Both processes release energy
2. Both start with the breakdown of a nutrient (glucose)
3. Both yield byproducts
4. Both take place in a cell
5. Both involve pyruvate (pyruvic acid
7 0
3 years ago
Cells are the basic units of life in living organisms. Which of the following components make up cells? A. atoms and molecules B
Liono4ka [1.6K]

Answer:

Cells are the basic units of life in living organisms. Which of the following components make up cells?

Atoms and molecules

Explanation:

All cells are made up of organelles and the smallest part of it makes it an atom while formation of two or more atom makes up a molecule. Every living cell compose of both atom and molecule

6 0
3 years ago
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