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Vinvika [58]
4 years ago
15

A naturally occurring solid inorganic substance with a definite chemical composition and crystal structure is a?

Biology
1 answer:
Vanyuwa [196]4 years ago
3 0
A naturally occurring sold inorganic substance with a definite chemical composition and a crystal structure is a mineral.
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Sistema excretor con que sistema interactúa
DedPeter [7]
Creo que es el estómago y los intestinos. ¡Espero eso ayude! :)
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3 years ago
a baker has created a new strain of yeast which contains no cytochrome c gene and no cytochrome c protein. this will affect what
Anna007 [38]

A baker has created a new strain of yeast which contains no cytochrome c gene and no cytochrome c protein. this will affect what the yeast strain can do to obtain energy. what will this yeast strain do more of compared to a normal strain

Will this new strain of yeast obtain more or less free energy from glucose in its growing medium?

Answer: Less because cytochrome c is key to the electron transport chain.

Explanation:

The Cytochrome c is an essential component of the electron transport chain. Without this there will be no oxidation and reduction of iron atom will take place which could convert the ferrous ions to ferric ions. Thus the entire process of electron transport chain and energy production in the form of ATP will be compromised. So, there will be no production of energy in the anaerobic fermentation by yeast.

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3 years ago
Question What characteristics are used to classify organisms?
ANEK [815]

Answer:

cells and structure

Explanation:

the place where they live cannot be a basis of classification

6 0
3 years ago
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1. In the table below, identify each invertebrate by matching it with its characteristics.
erastovalidia [21]

Correct matching of invertebrates and its characteristics are as follows:

Sponges are animals which have many cell but no mouth, muscles , heart or brain. They are sessile and can not move from place to place like other animals do, filter feeding animals with an asymmetrical body plan.

Cnidarians are the animals with radial symmetry and stinging cnidocyte cells. These animals consists a special cell cnida which functions in preying catch and defense. example- jellyfish, anemone.

Flatworms are the worm like animal which do not consist a body cavity or coelom. example- fluke and tapeworms.

Roundworms or threadworms are segmented worms that can live in water or land. They consist a body cavity and internal organs. examples- pinworms and hookworms.

Mollusks are the animals which consist mentle, foot and and sometimes a shell. example- octopus, squids.

Echinoderms are the animals which have radial symmetry and an endoskeleton made out of calcareous plate. These animals live only in marine environment.These animals lack circulatory and excretory systems.

Arthopods are the animals with jointed legs and an exoskeleton made out of chitin. example- spiders, shrimps and crabs.



3 0
3 years ago
A pearfish spends the day inside the alimentary tract, or intestines, of a sea cucumber. The fish emerges frome the sea cucumber
charle [14.2K]

Answer: P

Explanation:

6 0
3 years ago
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