Answer:
Según el CERN, en los primeros instantes del Big Bang no había demasiado calor como para que se formen átomos, como el hidrógeno (el elemento más abundante del universo). En estos primeros instantes, mucho antes que se cumpla un segundo (10 a la menos 32), solo había quarks y fotones.
Answer:
Thus, in eukaryotes, while transcription occurs in the nucleus, translation occurs in the cytoplasm.
Answer:
abdomen
Explanation:
most internal organs in an insect are located in the abdomen. The insect has three body segments which are the head, thorax and abdomen. The abdomen of an insect contains the heart, reproductive organs, mid-gut and digestive organs and that is why it is said that most internal organs in an insect are located in the abdomen.
the main functions of the insect abdomen are
- excretion
- Respiration
- Reproduction
- Digestion
Answer: d. return leaked fluids back to the cardiovascular system.
Explanation:
The lymphatic system is a web of vessels and tissues that transfers clear fluid that is called as the lymph. The lymphatic system spreads all over the body and filters and clean up the lymph, abnormal cells and pathogens. The filters traps the foreign particles from the blood. It also promotes the filtered fluid to reach back to the cardiovascular system and distribute to all the parts of the body in the form of blood.
Answer:
Explanation:
Nonspecific defenses include physical and chemical barriers, the inflammatory response, and interferons. Physical barriers include the intact skin and mucous membranes. ... An example of such a substance is lysozyme, an enzyme present in tears that destroys the cell membranes of certain bacteria.
