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Mashcka [7]
3 years ago
10

The cryosphere represents all living things a. true b. false

Biology
2 answers:
fredd [130]3 years ago
7 0

False. i took the test

vlabodo [156]3 years ago
3 0
B. false. The cryosphere is made up of all ice. 
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PLEASE HELP ME BEFORE I FAIL THE 6TH QUIZ THIS YEAR
Kay [80]

Answer:

I would have to say c I have learned this type of stuff in the past

6 0
3 years ago
What happens if the correct ligand binds to ligand-gated sodium channel in a post-synaptic neuron?
Maru [420]

Answer:

Post-synaptic neurons after receiving correct ligands called as neurotransmitter in correct amount generates action potential. This action potential may be inhibitory or accelatory.

Explanation:

Postsynaptic neuron :

These are the neurons that is present after the gap called synapse. These neurons after receiving correct ligands called as neurotransmitter in correct amount generates action potential. This action potential may be inhibitory or accelatory.

There are number of neurotransmitter. These includes

GABA ergic: This neurotransmitter is often inhibitory.

glutamatergic: This neurotransmitter is often excitatory.

Adrenergic: This neurotransmitter releases norepinephrine.

Cholinergic: This neurotransmitter activates vertebrate neuromuscular junction.

6 0
3 years ago
I need help on this answer
tatiyna

Answer:

The correct answers are A and D

Explanation:

8 0
3 years ago
Read 2 more answers
En el hombre el color negro de los ojos “A” domina sobre el color azul “a” Una pareja en la que el hombre tiene los ojos negros
umka21 [38]

Las respuestas a estas preguntas son:

a) Genotipo del padre Aa (ojos negros)

b) Cruzamiento: Aa (padre) x aa (madre)

c) Frecuencias genotípicas esperadas: 1/2 Aa; 1/2 aa  

En genética, dominancia completa se refiere al proceso  de herencia en la cual un individuo heterocigota, es decir, el individuo que presenta dos alelos diferentes para el mismo gen, presenta el mismo fenotipo que un individuo homo-cigota para el alelo dominante (el alelo dominante es aquel que enmascara la expresión del alelo recesivo en individuos heterocigotas).

En este caso, el carácter 'color de ojos' presenta un patrón de herencia monogénica, donde el alelo 'A' dominante codifica para el rasgo fenotípico ojos negros, mientras que el alelo 'a' recesivo codifica para el rasgo fenotípico ojos azules.  

En el ejemplo, la pareja tuvo progenie en la cual uno de los hijos presenta el rasgo recesivo ojos claros, con lo cual el padre debe ser heterocigota y poseer un alelo recesivo 'a'; mientras que la madre expresa el fenotipo recesivo y por lo tanto su genotipo es 'aa'. En consecuencia, el cruzamiento de un padre heterozigota 'Aa' con una madre homo-cigota recesivo 'aa' producirá una descendencia con una frecuencia genotípica esperada de 1/2 (50%) de hijos con ojos 'color negro' de genotipo Aa y 1/2 (50%) de hijos con ojos 'color celelste' de genotipo aa >>

Cruzamiento: Aa (padre) x aa (madre)

Gametos padre: 1/2 A; 1/2 a

Gametos madre: 100% a

Cuadro de Punett (combinaciones gaméticas):

                  A           a

a               Aa          aa

a               Aa          aa

En consecuencia,  este cruzamiento producirá 50% individuos ojos color negro (genotipo Aa) y 50% individuos con ojos color celelste (genotipo aa)

Podés encontrar más información sobre este tema en:

brainly.com/question/22398195?referrer=searchResults

7 0
3 years ago
What is a behavior in mating in which one male breeds with a female for a certain period of time and then finds a different mate
Zanzabum
Serial Monogamy is the behavior n mating in which one male breeds with a female for a certain period of time and then finds a different mate the following mating season. It is defined as a succession of short monogamous relationships or <span>the practice of having a number of long-term romantic or sexual partners in succession.</span>
4 0
3 years ago
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