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horsena [70]
3 years ago
10

Suppose you have identified a type of lizard that seems to have acquired a mutation in which hindlimbs are absent. Which gene, a

lso responsible for the loss of limbs in snakes, may be mutated in this animal
Biology
1 answer:
slavikrds [6]3 years ago
7 0

Answer:

Sonic Hedgehog.

Explanation:

Sonic hedgehog is a secreted protein that in humans is encoded by the SHH gene. It is the best studied ligand of the hedgehog signaling pathway, others being desert hedgehog (DHH) and Indian hedgehog (IHH). It plays a key role in the development of animals, from insects to mammals. In vertebrates, it is involved in organogenesis, including the growth of digits on limbs and the organization of the brain.

Sonic hedgehog has also been shown to act as an axonal guidance cue. It has been demonstrated that SHH attracts commissural axons at the ventral midline of the developing spinal cord. Specifically, SHH attracts retinal ganglion cell (RGC) axons at low concentrations and repels them at higher concentrations

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valentinak56 [21]

Answer:

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Explanation:

espero que esto ayude

3 0
2 years ago
Neurotransmitters transmit ____________ between ____________ , from neurons to glands, from neurons to organs, and from neurons
astraxan [27]

Answer:

1. Nerve impulse

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Explanation:

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The function of neurotransmitters is to carry the nerve impulse from presynaptic neuron to the postsynaptic neuron or from neurons to the effector organs such as muscles and glands.  

For example, neurotransmitters are released into the synaptic cleft to transmit the nerve impulse between neurons.  

3 0
3 years ago
Make a list of all the haploid forms of a flower
svp [43]
Prophase 1
metaphase 1
anaphase 1
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metaphase 2
anaphase 2
telophase 2 and cytokinesis
3 0
3 years ago
Describe the effects that the dams built by beavers (a keystone species) have on other types of organisms.
lianna [129]

Answer:

Beavers and their dams play an important role in nature. Because of the dramatic effects their dams have on surrounding ecosystems, these mammals are considered a keystone species. By constructing dams they create wetlands -- lush environments which attract fish, ducks, frogs and other creatures.

Explanation:

5 0
3 years ago
The flexor hallucis longus muscle originates on the __________.
mojhsa [17]
<span>This flexor hallucis longus muscle originates on the interosseous membrane which is a fibrous tissue that is between a lot of bones in the body and is an important part of the joints. This tissues can be found in the joints of the arm and also in joints of the legs, among other parts of the body. </span>
4 0
3 years ago
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