From Exam 1 Bio 110

You are performing an experiment to test the effect of fertilizer on corn growth. The dependent variable in this experiment is:

• the resulting growth of corn

• the type of fertilizer

• the amount of fertilizer

• the type of corn seed used

• Not able to be determined because we don't have enough information

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Scientific peer-reviewed articles:

• have been reviewed by experts in the field to ensure validity, significance, and originality of the work before publication.

• have been reviewed by editors to ensure the article is well-written because their job is to make sure the article is free of grammatical errors before publication

• are a type of article that summarizes the body of knowledge on a particular topic

• are a type of article that presents methods, results, and interpretation of a specific research study in the form of new discoveries.

_______ cells are the most complex type of cell.

• endemic

• eukaryotic

• prokaryotic

• embryonic

Exocytosis is when large molecules are secreted from the cell when a vesicle fuses with the plasma membrane.  This is an example of:

• osmosis

• diffusion

• passive transport

• active transport

• bulk transport

1. When two or more polypeptides come together, intertwine, and function as one singular protein, this is an example of:

• Quaternary structure

• RNA processing

• Gene expression

• dehydration synthesis

• active transport

A codon is a nucleotide base _____ in mRNA

• singlet

• doublet

• triplet

• quadruplet

• quintuplet

How many amino acids are there?

• 20

• 23

• 46

• over 100,000

• unlimited

_______________ molecules carry protein-assembly instructions from the nucleus to the cytoplasm.

• template DNA

• messenger RNA (mRNA)

• Ribosomal RNA (rRNA)

• Transfer RNA (tRNA)

• vesicle

A particular triplet of bases in the template strand of DNA is 3’AGT 5’.  What would be the corresponding codon for the mRNA that is transcribed?

• 5’UCA 3’

• 5’AGT 3’

• 5’TCA 3’

• 3’AGT 5’

• 3’ACU 5’

Tags

NGSS.HS-LS1-1

During translation, a tRNA enters the _____ site, moves onto the P site, and eventually exits the _____ site.

• A; E

• E; A

• Anticodon; codon

• Codon; anticodon