Year 8 Science cyle 2 KA

Idenitfy which of the following cell organelles is not present in a animal cell.

• Nucleus
• Chloroplast

• Cytoplasm

• Mitochondria

Define the term "eukaryotic cell".

• A type of cell that has a true nucleus.

• A type of cell that is only found in plants and not in animals.
• A type of cell that only contains a nucleus but no other organelles.
• A type of cell that lacks a true nucleus.

Describe why it is important for cells to reproduce.

• Cells reproduce to create new species
• Cells need to reproduce for growth, repair, and replacement.
• Cells reproduce to generate energy
• Cells reproduce to communicate with other cells

Tags

NGSS.HS-LS1-4

State the name given to the process of cell division for somatic cells.

• mitosis
• meiosis
• apoptosis
• cytokinesis

Tags

NGSS.HS-LS1-4

State the name given to the series of events that takes place in a cell as it grows and divides.

• Respiration

• Photosynthesis

• Gestation

• The cell cycle

Tags

NGSS.HS-LS1-4

Place the following phases of mitosis in the order in which they occur.

• Prophase

• Metaphase

• Anaphase

• Telophase

Tags

NGSS.HS-LS1-4

Labnel the phases of mitosis.

a

b

c

d

Prophase

Anaphase

Telophase

Metaphase

Tags

NGSS.HS-LS1-4

Dfine the term stem cell.

• A stem cell is a type of plant cell
• A stem cell is a type of bone cell
• A stem cell is a type of nerve cell
• A stem cell is a type of cell that has the ability to develop into different types of cells in the body.

Tags

NGSS.HS-LS1-4

Define the term allele.

• One of two or more versions of a gene
• A unit of measurement
• A type of plant
• A type of rock

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS4-2

NGSS.HS-LS4-4

Match the defintion with the key term.

• Expressed when present

• Homozygous

• Masked when dominant allele is present

• Dominant

• Having two different alleles of a gene

• Heterozygous

• Unit of heredity

• Gene

• Having two identical alleles for a particular gene

• Recessive