Biology crossword

2. is composed of phosphorus and oxygen and is one of the 3 parts in a Nucleotide
4. a thread-like structure that carries genes on it
6. the main protein present in milk
9. during cell division spindle fibres attach to these
11. acts as a catalyst
12. the process of making a copy of genetic information
17. having a single set of unpaired chromosomes
20. thick fluid in a cell
22. a sugar derived from ribose
23. part of RNA that DNA doesn't have
25. the central core of a cell, controls activity and growth
27. the sugar in RNA
28. messenger form of RNA
30. recognises foreign substances in the body
32. two complete sets of chromosomes
33. contains digestive enzymes that are present in the cytoplasm of most cells
34. a protein which forms with Actin to form the contractile filaments of muscle cells
35. the main amino acid in hair
37. basic physical and functional unit of heredity. Made up of DNA which code for proteins
38. BODY transports things around the cell
39. ENDOPLASMIC RETICULUM important in the synthesis and packaging of proteins

1. PHOSPHATE BACKBONE the structural framework of DNA
3. transports oxygen in the blood
5. ENDOPLASMIC RETICULUM important in the creation and storage of lipids
7. a protein which forms with Myosin to form the contractile filaments of muscle cells
8. consists of sugar, phosphate and a base
10. sphere shaped structure found in the cytoplasm or attached to Rough ER
13. has a single strand of nucleotides and controls the synthesis of proteins
14. BASE Thymine, Guanine, Cytosine, Adenine
15. a chain of amino acids
16. the base that pairs with Cytosine
18. an alternative form of a gene
19. process in which cellular ribosomes create proteins
21. self-replicating material that carries genetic information
24. composed by amino acids
26. a sequence of three nucleotides which together form a unit of genetic code
29. the base that pairs with Guanine
30. the base that pairs with Thymine
31. the base that pairs with Adenine
36. ACID the building blocks for proteins