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Nat2105 [25]
3 years ago
15

Biology! 10 points pls help!

Biology
1 answer:
velikii [3]3 years ago
4 0
Hox genes are orthologous across different species—that is, the genes’ functions are conserved in different species that have common ancestry. The most accurate answer choice here would thus be the first one.
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Explain the light-dependent and light-independent reactions that occur in photosynthesis. plz, help brainliest for best. not mul
yKpoI14uk [10]

Answer:

In the light-independent reactions or Calvin cycle, the energized electrons from the light-dependent reactions provide the energy to form carbohydrates from carbon dioxide molecules.  

Explanation:

After the energy is transferred, the energy carrier molecules return to the light-dependent reactions to obtain more energized electrons.

3 0
3 years ago
When the blood glucose level decreases during a fast or between meals, the pancreas releases glucagon. Glucagon signals the live
Liula [17]

Answer:

Glucagon signals the liver to start producing glucose.

Explanation:

Glucagon signals the liver to start producing glucose from the breakdown of amino acids through gluconeogenesis process. When the glucose level decreases in the body due to fasting or starvation, the pancreas release glucagon which provides signals to the liver to produce glucose form non carbohydrates substances present in our body. This production of glucose increases the concentration of glucose in the blood and the body used this glucose for the generation of energy molecules in the form of ATP.

5 0
3 years ago
Read the following scenario and then label the stimuli and responses. Benny decides to teach his fish to swim to the top of the
meriva

Answer:

The stimuli is photoreceptor

Explanation:

The fish has been conditioned to react to light so it has conditioned response

7 0
3 years ago
Read 2 more answers
Why are G protein only found in Eukaryote cell ?
Levart [38]

Answer:

they bind to protein-coupled transmembrane receptors with higher complexity than those found in prokaryotes

Explanation:

G-proteins are proteins found inside the cells that function as molecular switches which are activated by binding to guanosine triphosphate (GTP), while they are inactive by binding to guanosine diphosphate (GDP). The G-proteins bind to G-protein-coupled transmembrane receptors (GPCRs) in the cytoplasmic region. The GPCRs are a very diverse group of proteins that are activated by extracellular molecules ranging from small peptides to large proteins, including pheromones, neurotransmitters, light-sensitive compounds, etc, thereby allowing them to respond to diverse stimuli from the extracellular environment. In consequence, it is reasonable to suppose that the signaling pathways in which G proteins are involved have a higher complexity level than those observed in primitive prokaryotic organisms.

6 0
3 years ago
enzymes affect the reaction in a living thing by changing the activation energy and ___________- up the reaction
Alja [10]
Speeding up the reaction
4 0
3 years ago
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