Question 1

During mitosis, the separation of sister chromatids occurs in which phase?

Accepted Answer

Anaphase

Question 2

Which chemical group in the DNA molecule carries a negative charge, allowing DNA to migrate toward the positive pole during gel electrophoresis?

Accepted Answer

Phosphate

Question 3

An alternative version of a gene is called a(n):

Accepted Answer

Allele

Question 4

The region on a chromosome where a gene is located is known as the:

Accepted Answer

Locus

Question 5

Which enzyme is responsible for joining a desired DNA fragment into a bacterial vector during DNA cloning?

Accepted Answer

DNA ligase

Question 6

A harmless mutant variant of a pathogen that stimulates the immune system is called a:

Accepted Answer

Vaccine

Question 7

Leaves appear green because of the presence of which pigment?

Accepted Answer

Chlorophyll

Question 8

Visible light wavelengths are in the range of:

Accepted Answer

$$300-700\ 	ext{nanometers}$$

Question 9

During meiosis, chromosomal recombination or crossing-over occurs at distinct sites called:

Accepted Answer

Chiasma

Question 10

The organelles in leaves that act as solar panels, trapping sunlight for photosynthesis, are called:

Accepted Answer

Thylakoids

Question 11

When the phenotype of an F1 hybrid falls between the two parental varieties, this effect is called:

Accepted Answer

Incomplete dominance

Question 12

Non-sex chromosomes are referred to as:

Accepted Answer

Autosomes

Question 13

In cytokinesis, animal cells form a ________, while plant cells form a ________.

Accepted Answer

Cleavage furrow; cell plate

Question 14

A fertilized egg is called a:

Accepted Answer

Zygote

Question 15

Sister chromatids are attached at the narrow waist region called the:

Accepted Answer

Centromere

Question 16

Recombination (crossing over) of non-sister chromatids occurs in which phase of meiotic cell division?

Accepted Answer

Prophase I

Question 17

Any undesirable harmful change to the genetic information of a cell or virus is called a:

Accepted Answer

Mutation

Question 18

In the Calvin Cycle of photosynthesis, the most significant step is the fixation of which atom from $$	ext{CO}_2 to $$the Ribulose sugar?

Accepted Answer

Carbon

Question 19

Which organism is used in both beer production and the manufacture of the Hepatitis B vaccine?

Accepted Answer

S. cerevisiae

Question 20

The chromosomes arrange themselves at the center of the cell, equidistant from both poles, on an imaginary plane called the:

Accepted Answer

Metaphase plate

Step-by-Step Study Guidance for General Biology Quiz (Chapters 7, 8, 9, 12)

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