Which of the Following Types of Threading Does a Compressed

question 31

Multiple Choice

Which of the following types of threading does a compressed air cylinder have?
1) Right-handed
2) Left-handed
3) Internal
4) External

• A) 2 and 3
• B) 1 and 4
• C) 2 and 4
• D) 1 and 3

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Definitions:

Centromere

The region of a chromosome where the two sister chromatids attach, crucial for the distribution of chromosomes during cell division.

Gamete

A mature haploid male or female germ cell that is able to unite with another of the opposite sex in sexual reproduction to form a zygote.

Diploid

An organism or cell having two sets of chromosomes or twice the haploid number, typifying most body cells except for gametes.

Chromosomes

Thread-like structures located inside the nucleus of animal and plant cells, made of protein and a single molecule of DNA, responsible for carrying genetic information.