1 Flashcards

1
Q

Where are the chromosomes found in the cell?

A

in the nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How many different bases are there in a DNA molecule?

A

four

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Which statement about DNA is correct?

A

Thymine (T) pairs with adenine (A)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the different forms of a gene called?

A

alleles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Which statement about mitosis is correct?

A

it produces daughter cells with the same number of chromosomes as the parent cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

As a result of mitosis, how many cells are produced?

A

two

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

As a result of meiosis, how many cells are produced?

A

four

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which type of cell division produces genetically identical daughter cells?

A

mitosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What happens during meiosis?

A

gametes are formed, each with a single set of chromosomes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Which statement about human cells is correct?

A

the haploid number of chromosomes is 23 and the diploid number is 46

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Which statement is true of genes?

A

a gene is a short section of dna that codes for a protein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

How many chromosomes does a human have in each body cell?

A

46 pairs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which statement is correct about the cells produced by mitosis?

A

two daughter cells are produced, each has the same number of chromosomes as the parent cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What happens in the stage that is before mitosis in the cell cycle?

A

a period of growth, during which time DNA is checked for errors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The cell begins to tear; chromatids become threadlike again, nuclear membrane forms around each creating two new nuclei, and the spindle fibers disappear. This stage is called?

A

telophase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Cell division where the cell divides twice is called?

A

meiosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Inherited genetic material is referred to as?

18
Q

All sperm and oocytes are completely different from one another. This concept is known as?

A

genetic variety

19
Q

Leg parts of a chromosome are called?

20
Q

Chromatin coils and condenses, forming chromosomes during which stage?

21
Q

The nuclear envelope re-forms during which stage?

22
Q

The chromosomes are V-shaped during which phase?

23
Q

DNA synthesis occurs during which phase?

A

interphase

24
Q

Chromosomal centromeres are attached to the kinetochore fibers during which phase?

25
Division of the _______ is referred to as mitosis.
nucleus
26
The nuclear envelope(s) is absent during which phase?
metaphase & anaphase
27
Centrioles replicate (reproduce) during which phase?
interphase
28
Chromosomes first appear to be duplex structures during which phase?
prophase
29
Chromosomes line up in the center of the cell during which phase?
metaphase
30
Chromosomes attach to the spindle fibers by undivided structures called _______.
centromeres
31
The name given to cells that only have a single set of chromosomes, instead of a pair of each chromosome is?
32
The stage in the cell cycle in which chromosomes are de-condensed is called?
33
The process by which cells can take up macromolecules and fluids from the external environment is known as?
34
A cellular organelle that packages proteins into vesicles for secretion is called?
35
The form in which carbohydrate is stored in cells is known as?
36
A type of pigment found in cells that makes them look yellow is called?
37
Important organelles that manufacture ATP are known as?
38
The stage in mitosis when duplicated chromosomes are arranged on the equator is called?
39
A type of intermediate filament found in epithelial cells is known as?
40
Vesicles that phagocytic cells contain, which contain hydrogen peroxide are called?
41
The site at which microtubules grow out from in an interphase cell is called?
42
The site of protein formation from messenger RNA is known as?