lons can travel directly from the cytoplasm of one animal cell to adjacent cell through A) gap junctions. B) intermediate filaments. C) plasmodesmata.

As compared to eukaryotic cells, only bacterial cells have ___. A) ribosomes B) photosynthetic pigments C) peptidoglycan cell walls D) membrane-bound organelle

a)  Difference between Endocytosis and exocytosis  b) Difference between DNA vs RNA vs Protein c) Difference between PCR vs DNA replication d) Difference between Sympathetic vs Para-sympathetic nervous system

5. What would happen if tropomyosin couldn't change confirmation in the presence of Ca2+ binding to troponin? A)ACh wouldn't be released from vesicles B)Myosin couldn't bind to troponin C)Myosin couldn't bind to ATP D)Myosin couldn't bind to actin E)Ca2+ wouldn't be released from the SR

Animal cell organelles import proteins by three distinct mechanisms. For each mechanism, briefly describe: a) Name of the mechanism and organelles can obtain proteins via it. b) Processes of the mechanisms.

1a) Which protein of the flagella is located in the cytoplasmic/cell membrane? b) What organelle is defined as a house of energy for the cell? c) Which part of phospholipid layer is hydrophobic in cell membrane? d) Name where flagella can be found? e) Which organelle shares its membrane with the nucleus membrane?

Consider two different proteins that are leaving from the Golgi in order to arrive in their common destination, a lysosome. In order for these two different proteins to be sent to the same place, what should they have in common? A) They must have the same primary structure B) They must have been imported into the cell by endocytosis. C) They must have the same tertiary structure D) They probably have the same glycosylation pattern. ..

Which of the following cell organelle actively participates in animal apoptosis?   Question 1 options:   a)  Vacuoles   b)  Chloroplast   c)  Nucleus   d)  Mitochondria

28) organelle which functions as the location of lipid synthesis, does not have ribosomes. a) smooth endoplasmic reticulum b) ribosomes  c) rough endoplasmic reticulum d) mitochondria

92. Which of the following is the most prominent ultrastructural characteristic of interstitial (Leydig) cells? A) Centrioles B) Numerous microtubules C) Rough endoplasmic reticulum D) Smooth endoplasmic reticulum E) Zymogen granules