General body cells (somatic cells) are diploid, meaning they have a full set of DNA. Gametes (sex cells) are haploid, because they join their nuclei at fertilization to form a complete diploid nucleus.
So:
- Sperm cell = haploid
- Liver cell = diploid
- Egg cell = haploid
- Stomach cell = diploid
Hope this helps! :)
Answer:
If KE = 0, the pendulum is not moving. At the top of the swing, the pendulum must stop for a brief moment.
Explanation:
Answer:
secondary succession
Explanation:
<em>The kind of succession that will occur if no one mowed the grass at all is secondary succession.</em>
Succession generally refers to a gradual change in the structure of a community over a period of times. Succession could be primary or secondary.
Primary succession occur when a site that has not held any form of life before gets colonised by a new life. The new lives are referred to as pioneer species.
Secondary succession occur when a community that already has lives in it experiences a regime of disturbance. The structure of the community will change in response to the disturbance.
Both primary and secondary succession eventually lead to a relatively stable community, otherwise known as climax community.
<u>In this case, a baseball field that normal gets mowed every summer stops getting mowed. the community will experience secondary succession and keep changing till a level is reached where the structure hardly changes again. This level is the climax community.</u>
In the stomach, the enzyme pepsin has the function to break proteins into smaller units-polypeptides. Pepsin is synthesized and secreted in an inactive form- pepsinogen. Activation energy (the minimum amount of energy that is required to activate an enzyme) is achieved in the acidic medium (pH from 1 to 3). So, the activation of pepsin (conversion of pepsinogen to pepsin) is possible thanks to the cells in the stomach lining which produce hydrochloric acid (HCl), causing the stomach contents to have a low pH.
Antacids neutralize the acid made by the stomach, affecting the digestion.
Answer: Passive immunity
Explanation:
The strategy of vaccination was a type of passive immunity. Passive immunity can be introduced artificially when antibodies are given as a medication to the non immune individual.
This is done in case of vaccination, attenuated form of bacteria is injected or orally given to the individual to evoke immune response when the body is exposed to the same bacteria again.
The attenuated form of bacteria evoke the immune system to produce memory cells which will kill the bacteria when it is encountered for the second time.
