What is "diffusion" when talking about cell transport?

Movement of molecules from an area of high concentration to an area of low concentration

Movement of molecules from an area of low concentration to an area of high concentration

Movement of molecules through active transport

Movement of molecules through osmosis

What types of cellular transport consumes ATP?

Active transport and endocytosis

Passive transport and exocytosis

Simple diffusion and phagocytosis

Facilitated diffusion and osmosis

Infectious agents that can only replicate inside the cells of an organism

Large multicellular organisms that cause diseases

Non-living particles that can only survive outside of a host

Harmless organisms that provide benefits to the host

How do viruses infect cells?

By attaching to the cell membrane and injecting their genetic material into the host cell

By releasing toxins into the bloodstream

By physically engulfing the entire cell

By communicating with the cell through electrical signals

What is the purpose of meiosis?

To produce gametes with half the number of chromosomes

To produce cells with no chromosomes

To produce cells with double the number of chromosomes

How does cancer form?

Cancer forms when cells in the body begin to grow out of control

Cancer forms when cells in the body stop growing

Cancer forms when cells in the body shrink in size

Cancer forms when cells in the body become stronger

Which of the following describes gene activation?

The process by which a gene is switched on

The process by which a gene is duplicated

The process by which a gene is switched off

The process by which a gene is mutated

Which of the following describes cell differentiation?

The process by which a cell becomes specialized for a specific function.

The process by which a cell becomes resistant to external stimuli.

The process by which a cell divides into two identical cells.

The process by which a cell becomes unspecialized and loses its function.

Which of the following describes the make-up of a nucleotide?

A sugar, a phosphate group, and a nitrogenous base

A sugar, a lipid, and a nitrogenous base

A protein, a phosphate group, and a nitrogenous base

A carbohydrate, a phosphate group, and a nitrogenous base

Which of the following describes the role of a mitochondria?

Stores genetic material for the cell

Regulates the movement of materials in and out of the cell

Assists in the production of proteins for the cell

What part of meiosis ensures genetic diversity?

Crossing over and independent assortment

Chromatin condensation and spindle formation

DNA replication and cell division

What is the process of "crossing over" in meiosis?

Exchange of genetic material between homologous chromosomes

The process of creating identical copies of chromosomes

The movement of chromosomes to opposite poles of the cell

The fusion of egg and sperm cells

What is non-disjunction in meiosis?

Failure of homologous chromosomes or sister chromatids to separate properly during cell division

The fusion of homologous chromosomes during cell division

The failure of DNA replication during meiosis

The process of chromosomes separating properly during cell division

What is a dominant gene?

A gene that is expressed and masks the effect of the recessive gene

A gene that is only present in plants

A gene that has no effect on the phenotype

What is a recessive gene?

A gene that is only expressed when an individual has two copies of the gene, one from each parent.

A gene that is always dominant in an individual

A gene that is only expressed when an individual has one copy of the gene

A gene that is not inherited from the parents

What are homologous chromosomes?

Pairs of chromosomes with the same genes in the same order

Pairs of chromosomes with different genes in different order

Chromosomes with different genes in the same order

Single chromosomes with no pairs

What must be true for a person to show a recessive phenotype?

Inherit two copies of the recessive allele

Have a mutation in the dominant allele

Inherit one copy of the dominant allele

Inherit one copy of the recessive allele and one copy of the dominant allele

What must be true if a person shows a dominant phenotype?

They have at least one dominant allele for that trait

They have two recessive alleles for that trait

They have no alleles for that trait

They have a mix of dominant and recessive alleles for that trait

What is a sex linked gene?

A gene located on a sex chromosome

A gene located on a mitochondria

Which of the following describes incomplete dominance?

A genetic situation in which one allele does not completely dominate another allele, and therefore results in a new phenotype that is a blend of the two alleles.

A genetic situation in which one allele results in multiple phenotypes

A genetic situation in which one allele has no effect on another allele

A genetic situation in which one allele completely dominates another allele

Which of the following describes codominance?

Both alleles are expressed equally

One allele is completely dominant over the other

Both alleles are never expressed

Codominance only occurs in plants

What is the advantage of sexual reproduction over asexual reproduction?

Genetic diversity and adaptation to changing environments

What is the advantage of genetic diversity?

Adaptation and disease resistance

Decreased ability to adapt to new environments

Increased susceptibility to diseases

Limited potential for survival in changing conditions

A change in the DNA sequence of a gene

What are the outcomes of a DNA mutation?

No effect, beneficial effects, or harmful effects

a change in genotype and they cause cancer

How are mutations helpful?

Mutations can lead to genetic diversity and adaptation in organisms.

Mutations have no impact on genetic diversity

Mutations cause extinction of species

Mutations only result in negative traits

1st Semester Biology Review

Authored by Joshuah Baker

Biology

9th Grade

NGSS covered

Used 36+ times

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47 questions

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MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Eukaryotic Cell

What category of biomolecules does fats and oils belong to?

Lipids

Nucleic acids

Proteins

Carbohydrates

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What category of biomolecules makes up membranes in cells?

Carbohydrates

Proteins

Nucleic acids

Phospholipids

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What biomolecule includes food sources such as meat, beans, and cheese?

protein

lipids

carbohydrates

nucleic acids

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What type of biomolecule codes for the genetic traits of all organisms?

Carbohydrate

nucleic acids

Protein

Lipid

What is an enzyme?

a type of carbohydrate that speeds up chemical reaction in biological processes

a type of protein that speeds up chemical reaction in biological processes

a type of lipid that speeds up chemical reaction in biological processes

a type of nucleic acid that speeds up chemical reaction in biological processes

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

what does the body use carbohydrates for?

used by mitochondria to make the molecule ATP which is cellular energy

used by mitochondria to store energy in the form of fat

used by chloroplasts to make the molecule ATP which is cellular energy

used by chloroplasts for regulating body temperature

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1st Semester Biology Review

Eukaryotic Cell

What category of biomolecules does fats and oils belong to?

What category of biomolecules makes up membranes in cells?

What biomolecule includes food sources such as meat, beans, and cheese?

What type of biomolecule codes for the genetic traits of all organisms?

What is an enzyme?

what does the body use carbohydrates for?

What is "diffusion" when talking about cell transport?

What is the main difference between passive and active transport?

What types of cellular transport consumes ATP?

Access all questions and much more by creating a free account

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