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kogti [31]
2 years ago
6

Which explanation identifies correctly how the G protein-linked receptors are similar?​

Biology
1 answer:
pav-90 [236]2 years ago
4 0

Do you have the answer options? Then I can help you out.

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Lister cultured the bacteria responsible for milk spoilage.<br> True<br> False
Ann [662]

Answer:

True

Explanation:

8 0
3 years ago
Which of the following is true of Mendelian inheritance
Ksivusya [100]
<h2><u>Answer</u> :</h2>

The correct option is A. If a dominant allele is present, the recessive allele won’t be seen.

The dominant allele is the one which appear, and the recessive one isn't shown.

For example - If a person has 2 alleles of eye colour as B ( black ) and b ( brown ), in which black is dominant and the brown one is recessive, then the person will have black eye colour because only dominant allele shows its characteristics.

_____________________________

\mathrm{ \#TeeNForeveR}

8 0
3 years ago
Read 2 more answers
When two species have a very
Nesterboy [21]

Answer:

i say competition

Explanation:

i say competition because they are the same so they might fight alot for resources

3 0
3 years ago
Acetylcholinesterase: a) Is stored in vesicles in the motor neuron terminal b) Combines with receptors on the muscle membrane to
11111nata11111 [884]

Answer:

c) Breaks down and inactivates acetylcholine

Explanation:

Acetylcholinesterase is an enzyme that is required for termination of acetylcholine activity in the synaptic cleft. The enzyme is present in the extracellular side of the motor endplate membrane and breaks down the acetylcholine into acetyl and choline.

In the absence of acetylcholine, the muscle fibers resume their resting stage. Therefore, acetylcholinesterase activity is required for the normal functioning of muscles and nerve cells that use acetylcholine as a neurotransmitter.

8 0
3 years ago
Match the prokaryotic cell structures to the characteristic of life.
djverab [1.8K]

Answer:

1. Nucleoid: Prokaryotes do not have well defined nucleus. Instead, naked DNA or genetic material is found in the these cells which keeps floating freely in the region of cytoplasm called as mucleoid (nucleus-like). DNA carries the genetic information required for growth, development, metabolic activities and reproduction.

Hence, it must match with b. reproduction: DNA ensures that future generations will be similar to parents

2. Cell wall: Cell wall is the outermost layer surrounding the plasma membrane. It is composed of polysaccharides and is found in bacteria, fungi, and plant cells. In bacteria, it is generally composed of peptidoglycans. Antibiotic such as penicillin acts on the cell wall and creates pores in it which kills the bacteria.

Hence, it can be correctly matched with d. homeostasis: taking an antibiotic, such as penicillin, creates holes in the cell wall of some bacteria, so they lose water and die

3. Flagellum: It is a thread or hair like structure which serves the purpose of locomotion in the cells specially in bacteria, protozoa, spermatozoa etc. In bacteria, it helps in moving in the direction of food and moving away from inhospitable environment.

Hence, it can be correctly matched with e. responding to stimuli: move away from a less hospitable environment or towards a more hospitable environment.

4. Pilus: It is a hair like but rigid structure that protrude from the cell surface of the bacteria. It helps in the process of conjugation by forming a conncetion between cell surface of two bacteria.

Hence, it can be correctly matched with a. reproduction: exchanging genetic material in process of conjugation

5. Ribosomes: Ribosomes serve as the site of protein synthesis in the cell. Bacterial ribosomes are composed of two sub-units with sedimentary constant of 50S and 30S.

Hence, it can be correctly matched with c. maintaining homeostasis: protein is needed for enzymes and repairing structures

6. Cytoplasm: It is gel like material found within the cell (excluding nucleus in case of eukaryotes). All the metabolic activities of the cell generally take place in the cytoplasm of the cell.

Hence, it can be correctly matched with f. homeostasis: using energy, all chemical reactions are performed in the cytoplasm

4 0
2 years ago
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