2nd Semester Terms 2

any nonliving factor in an organism's environment

• abiotic factor
• biotic factor
• environmental variable
• ecosystem component

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Alternative form of a single gene.

• DNA sequence
• Chromosome
• Gene variant
• Allele

The portion of of the tRNA that is complementary to the codon.

• amino acid
• ribosome
• anticodon
• codon

any living factor in an organism's environment

• Abiotic factor
• Environmental variable
• Biotic factor
• Ecosystem component

Tags

NGSS.HS-LS2-7

cell structure that joins two sister chromatids

• Chromatin
• Nucleus
• Spindle Fiber
• Centromere

Tags

NGSS.HS-LS1-4

relaxed form of DNA in the nucleus of a cell

• DNA strand
• nucleosome
• chromatin
• chromosome

A group of three bases in the mRNA

• anticodon
• nucleotide
• triplet
• codon

This enzyme unwinds DNA by breaking the hydrogen bonds between the nitrogen bases.

• topoisomerase
• polymerase
• ligase
• helicase

Builds a new DNA strand by adding complementary bases

• RNA polymerase
• DNA ligase
• Helicase
• DNA polymerase

 After processing, the final coding sequences remaining in the mRNA

• Introns
• Exons
• Promoters
• Transposons