2.1-2.3

Bacteria reproduce asexually by a process called

• replication

• meiosis

• mitosis

• binary fission

Tags

NGSS.MS-LS3-2

Which is true of prokaryotic and eukaryotic cells?

• Prokaryotic cells are larger than eukaryotic cells.
• Eukaryotic cells do not have nuclei, and prokaryotic cells do have nuclei.
• Prokaryotic cells lack membrane-bound organelles, and eukaryotic cells contain membrane-bound organelles.
• Eukaryotic cells are simpler than prokaryotic cells.

Which do BOTH prokaryotes and eukaryotes contain?

• nucleus

• mitochondria

• ribosomes

• cell wall

The haploid number of human chromosomes is

• 11
• 12
• 23
• 46

Tags

NGSS.HS-LS3-2

Histones are 

• proteins wound up in DNA
• critical to maintaining the shape of chromosomes
• aid in the tight packing of DNA
• all of these 

Tags

NGSS.HS-LS1-1

Autosomes are

• chromosomes found in autotrophs, only

• chromosomes that automatically correct all errors in the DNA

• chromosomes that determine traits other than gender

• chromosomes that determine the gender of the individual

The structure that holds two chromosomes together until they separate for cell division is the

• chromatid
• chromatin
• centromere
• cytoplasm

Tags

NGSS.HS-LS1-4

Two identical copies of a single duplicated chromosome that are connected by a centromere.

• Chromatin

• Homologous chromosomes

• Sister chromatid

• Centromere

An organism's reproductive cells, or sex cells, are called _____.

• bacteria

• prokaryotes

• gametes

• pathogens

Tags

NGSS.HS-LS3-2

Chromosomes that are paired by size and content are called _______ chromosomes.

• homeostasis

• homologous

• matching

• sister

Tags

NGSS.HS-LS3-2