With each contraction cycle, actin moves relative to myosin. ... ATP can then attach to myosin, which allows the cross-bridge cycle to start again; further muscle contraction can occur. Therefore, without ATP, muscles would remain in their contracted state, rather than their relaxed state.
Polar substances .
u havent given any option
D. mRNA is synthesized from a strand of DNA.
Transcription, hence the root script, means to write. This is the creation of the mRNA "messenger" information.
One characteristic of life is that living things have different levels of organization
-They have both molecular and cellular organization
- They must have the ability to organize simple substances into complex ones.
- They organize cells at several types of levels, namely:
(a) Tissue- a group of cells that perform a common function
(b) Organ - A group of tissues that perform a common function.
(c) Organ system- a group of organs that perform a common function.
(d) Organism- any complete living thing.
Answer:
In anaphase I of meiosis I the homologous chromosomes are pulled apart from each other.
Explanation:
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