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docker41 [41]
3 years ago
15

All the elements of a family in the periodic table have what feature in common?

Biology
1 answer:
Yanka [14]3 years ago
4 0

A) They all have similar chemical properties.

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Given the cascade of events leading to ischemia-produced brain damage, it has been suggested that __________ antagonists adminis
Trava [24]

Answer: glutamate

Explanation: Given the cascade of events leading to ischemia-produced brain damage, it has been suggested that glutamate antagonists administered immediately after a stroke might reduce the subsequent development of brain damage.

5 0
2 years ago
Endosymbiosis of cyanobacteria is widely accepted as an explanation for the development of chloroplasts. The presence of endosym
lilavasa [31]

Answer:

The correct answer is- photosynthesis

Explanation:

According to the endosymbiotic theory, an ancestral cell engulfed a cyanobacteria and lived in symbiotic association with that bacteria and over time this bacteria evolved into the chloroplast and the ancestral cell developed into plant cell.

So as cyanobacteria was the first aerobic cell that can evolve oxygen and can do photosynthesis to produce organic food so it could be concluded that the presence of endosymbiotic cyanobacteria provided a cell with the advantage of photosynthesis.

3 0
3 years ago
Giardia exists in two forms--cysts and trophozoites. While both are required for the life cycle of Giardia, only the cyst is con
hram777 [196]

Answer:

Because the trophozoites are unable to survive outside a host.

Explanation:

The term infectious is used for a disease or microorganism that can be transmitted from one organism to the other organism through the environment. If we look at the two forms of Giardia, we find that out of the two forms viz. cysts and trophozoites, only the cysts of Giardia have the ability to remain alive in the environment outside the host and thus they are able to be transmitted to the other organisms. On the other hand trophozoites are not able to survive in outside environment so there is no chance of transmission of trophozoites.

6 0
3 years ago
Based on the image, which of the following best describes the electronegativity of the carriers and the synthesis and utilizatio
koban [17]
STDS is the answer bro
3 0
2 years ago
explain how the body plan and anatomy of a tiger enables it to perform the essential functions in needs to survive? PLEASE HELP
Marina86 [1]

Answer:

  • Tigers are vertebrate animals having a backbone. The backbone of the tigers provides support to the tiger body.

  • The have longer hind legs as compared to the front legs. This aids the tiger in its jumping ability to catch it prey.

  • The sharp claws help them to catch their preys.

  • The shoulders and leg muscles of the tiger are extremely powerful which enables the tigers to have a strong grip on its prey.

  • The tail of the tiger also maintains balance for the body of the tiger.

3 0
3 years ago
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