Mohamed Abbas, a science teacher at Senioritis.io

Mohamed Abbas
June 20, 2023
Pathology

How a single cell initiates tumor development through genetic and epigenetic changes

7. Tumor initiation occurs in aa. single protein molecule.b. single cell.c. few cells.d. single tissue. b. single cell. Tumor initiation occurs in a single cell. This cell...

Mohamed Abbas
June 20, 2023
Pathology

Understanding the Harmful Effects of UV Radiation on Cellular DNA and Its Link to Cancer Development

8. Ultraviolet radiation increases the likelihood of a cell’s becoming malignant primarily because UV radiationa. induces melanocytes to express more melanin.b. causes breaks in DNA.c. makes RNA...

Mohamed Abbas
June 20, 2023
Pathology

How Estrogen Increases the Risk of Breast and Uterine Cancers through Cell Proliferation

9. Estrogen increases the risk of breast and uterine cancers because ita. inhibits differentiation.b. causes DNA damage.c. turns on the BRCA oncogenes.d. acts as a tumor promoter...

Mohamed Abbas
June 20, 2023
Pathology

Why Smoking a Pack of Cigarettes a Day Significantly Increases the Risk of Contracting Cancer

10. Which of the following is most likely to increase the likelihood of contracting cancer?a. Drinking a glass of wine a dayb. Smoking a pack of cigarettes...

Mohamed Abbas
June 20, 2023
Botany

Discover the Delightful Flavor and Preparation of Fiddleheads: The Delectable Fern Delicacy

Young fern leaves that resemble violin scrolls are called __________a) cello tailsb) fiddleheadsc) rhizomesd) sori B) fiddleheads The young fern leaves that resemble violin scrolls are called...

Mohamed Abbas
June 20, 2023
Botany

Understanding the Cell Structure of Plants: Why They are Classified as Eukaryotic Organisms

Which of the following is a characteristic of all plantsa) they are eukaryotic b) they produce seedsc) they have vascular tissued) they produce flowers A) they are...

Mohamed Abbas
June 20, 2023
Botany

Difference between Vascular and Nonvascular Plants: Understanding the Significance of Ferns.

Which of the following is a vascular planta) fernb) hornwortc) liverwortd) moss A) fern The correct answer is (a) fern. A vascular plant is a plant that...

Mohamed Abbas
June 20, 2023
Botany

The Importance of Cellulose in Plant Cell Walls: Structural Support and Protection

Plant cell walls are made of __________a) celluloseb) chitinc) cuticled) plastids A) cellulose The correct answer is a) cellulose. Plant cell walls are structural components that provide...