Hesi/Biology Questions And Correct Answers Latest
Update2023-2024
1. How many chromosomes do sperm and egg produce in meiosis?: 23
2. How many chromosomes do sperm and egg produce in mitosis?: 46
3. What helps the cells shape and cell to adapt?: cytoskeleton
4. What gives the cell the ability to move and proper?: microtubules
5. What is the main component of blood plasma?: water (90%)
6. What is the first step in metabolism of food to cellular energy?: glycolysis
7. What drives the cell/ pushes it forward?: propulsion
8. All humans have how many pairs of chromosomes?: 23 pairs
9. The plasma membrane is made of/ composed of what?: lipids, proteins, and
carbohydrates
10. What organelle is responsible for packaging, processing, and shipping?: -
Golgi Apparatus
11. Plant cells have what organelle that functions as storage, waste disposal, and
protection?: vacuoles
12. What are the site of cellular respiration? (eukaryotic cells): mitochondria
13. What are plasma membranes mostly made of?: lipids
14. What is the magnification of an ocular lens on a microscope?: 10x
15. What part of the microscope is the side going to be placed on?: stage
16. What holds the genetic code for each person?: DNA
17. What is DNA made of chemically?: deoxyribose, phosphate group, nitrogen
base
18. What is DNA made of?: nucleotides
19. What is the most important component of the cell, contributing to pro-
tection, communication, and the passage of substances into and out the cell?:
The cellular membrane
20. The plasma membrane is made of how many phospholipid layers?: 2
21. How is oxygen transported through blood or body?: circulatory system
22. The mRNA strand is what to the DNA strand?: identical except T is replaced
with U
23. What organelle is responsible for protein synthesis and membrane pro-
duction?: endoplasmic reticulum (rough ER)
24. What is the intake of food through the cell membrane creating food vac-
uole?: phagocytosis
25. The bird's body and function of wings?: hereditary
26. What phase does replication take place in?: S phase of interphase
27. What are different versions of a gene?: variations in alleles
28. What cycle is the sequence of reactions by which most living cells gener- ate
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