Answer:
Prophase 1
Explanation:
In prophase 1, homologous chromosomes pair up and exchange sections of DNA in a process called crossing over.
All life depends on capturing energy from the sun and converting it in to a form that living organisms can use.
- Two key processes (mirror each other)
- Photosynthesis (Sun -> Plants)
<span>- Cellular respiration (Plants/Animals/energy)</span>
Answer:
The partial pressure of oxygen is high in the alveoli and low in the blood of the pulmonary capillaries
Answer:
Like DNA, RNA polymers are make up of chains of nucleotides *. These nucleotides have three parts: 1) a five carbon ribose sugar, 2) a phosphate molecule and 3) one of four nitrogenous bases: adenine, guanine, cytosine or uracil.
Explanation:
ribose + phosphate group + uracil