NAME TRUE OR FALSE Write the entire word (TRUE or FALSE) in the blank. If you an

Question

NAME TRUE OR FALSE Write the entire word (TRUE or FALSE) in the blank. If you answer FALSE, give y the statement is false. You may simply cross out the incorrect informa write the correct information. Each question is I. A signal in a reflex arc travels from the receptor to the integrating cern afferent pathway. 2. P aracrine agents travel through the blood to reach their target cells. 3. Alpha helices and beta sheets are responsible for the tertiary s proteins. 4. When quarter of all the binding sites are occupied, the system is 25 5. Ribosomanl RNA is synthesized in cytoplasm. 6. Tight junctions are used to hold cells together in tissues exposedt 7. Glycogen is a polysaccharide. 8. Proteins are synthesized in the nucleus of most cells 9. Phospholipids are amphipathic. 10. The splicing of a primary RNA transcript to form mRNA occurs BONUS (still worth 2 points) 11. Hemoglobin is a multimeric protein.

Explanation / Answer

1-True

Afferent pathway- signals from receptors are transmitted to brain through neurons.

Efferent pathway - signals from central nervous system transmitted to different parts of body .

2- false

Paracrine glands releases their agents locally and they travels by diffusion.

3- True

Tertiary structure of proteins are made by coiling of alpha helices and beta sheets.

4- incomplete question

5- False

Ribosomal RNA is synthesized from nucleolus in nucleus.

7-true

Glycogen is a polysaccharide made by chained arrangement of monosaccharide called glucose.

8-False

Protein synthesis occurs at ribosomes which is present in cytoplasm.

9-true

They have both hydrophobic and hydrophilic ends.

11- true

Haemoglobin contain 4 polypeptides. 2 alpha globins and two beta globins.

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