bio final all units

Correct sequence small-large unit (CH.1)

atom - organelle - molecule - cell - tissue

What is not a required characteristic of Life (CH.1)

Locomotion

With the glucose molecule, the starch molecule

Is used for energy storage in plant cells

The atomic number of an element is the number of

Protons in the nucleus

an ion is an atom that has

A net negative or positive charge

Water molecules exhibit cohesive and adhesive properties. What’s the chemical bond characteristic that contributes to these and other numerous important properties of water molecules?

Hydrogen bonds formed between water molecules, not requiring gain, loss, or sharing of electrons

The four major groups of organic compounds are

Carbohydrates, lipids, proteins, and nuclear acids

The primary structural molecule composing of a cell membrane is a

Phospholipid molecule

A prokaryotic cell

Doesn’t have a nucleus

An organelle found in plant cells and some members of the kingdom Protista, but not in animal cells is a

Chloroplast

The prominent organelle visible in most eukaryotic cells is the

Nucleus

What statement is false regarding the characteristics of mitochondria

Mitochondria carry out photosynthesis

when phospholipids are mixed with water their ___ interact with water and their __ are repelled by water, forming a lipid bilayer

Hydrophilic heads; hydrophobic tails

The endogenic reaction is reaction is characterized by

Having products with higher energy than the reactants

An enzyme is

A molecule (usually a protein) that catalyzes a chemical reaction

Simple diffusion

Doesn’t require energy

Active transport is different from simple diffusion in the active transport

All answers provided are correct (requires transport proteins embedded within the cell membrane moves molecules against a concentration gradient, moves molecules from an area of a lower concentration to higher concentration and requires energy)

Photosynthesis is

An energy transfer process that produces glucose and oxygen

The energy source for the process of photosynthesis is

Sunlight

The organelle that carries out photosynthesis in the plants of

Chloroplast

The membrane studded with photosynthetic pigments in plant cells is the

Thylakoid

In animal plant fungal, and Algal cells, the primary organelle that generates molecules of ATP is

Mitochondrion

during glycolysis, each molecule of glucose is

Broken down by 2 molecules of pyruvate

Three main biochemical pathways of cellular respiration are (CH.6)

Glycolysis Kreb cycle, and electron transport

The enzyme that forms a transport channel in the inner membrane of the mitochondria and use the potential energy of the proton gradient to form. ATP is a

ATP Synthase

In eukaryoticcells, the electrons donated by NADH and FADH2 are transported along electron transport proteins in the

Inner mitochondrial membrane

in a molecule of DNA hydrogen bonds, hold together the two strands such as hydrogen bonds that form when

Adenine pairs with thymine

RNA differs from DNA in that

everything provided are correct (RNA contains a ribose. RNA contains uracil, some RNA molecules can catalyze bond formation. RNA is usually single stranded)

Which of the following statements is not a correlate type of RNA with its function

complementary RNA reacts that amino acids in a protein, ensure the correct sequence

The process used by cells to convert the mRNA message into a sequence amino acids is

Translation

A change in a cells DNA sequence is

Mutation

What is the DNA strand complementary to the DNA sequence 5’ATCGTACG3’

3”TAGCATGC5’

And erotic cells how can a single gene encode for more than one protein

By removing different combinations of introns

The genome of an organism is all of its

Genetic material

A human heart cell contains _ chromosomes

23

The process by which DNA is reproduced with the use of associated enzymes is

DNA replication

During DNA application, the enzymes that unwinds and separates the DNA double helical molecule is

Helicase

Sister chromatids are

Genetically identical and attached to each other at the centromere

A cell with two full sets of chromosomes would be termed a____

Diploid

Meiosis is a process that produces

Everything provided (sperm cells, egg cells, haploid cells, gametes)

Sexual reproduction is important to the survival of a species in a changing environment because

sexual reproduction produces genetically variable individuals in the population.

Meiotic cell division replicates a cell's DNA____and then divides___

Once;Twice

Chromosomes that look alike and carry the same sequence of genes for the same traits are

homologous chromosomes

Alternate forms of the same gene

Are alleles

What may occur in meiosis but not in mitosis?

Crossing over

Offspring of short pea plants cross

All short

two alleles for a particular gene are identical the gene pair is

Homozygous

Blood type inheritance (AB) is

Codominant inheritance

Monohybrid cross for stem length from available genotypes growing in the lab

Tt with Tt

Heterozygous phenotype is intermediate between those of the two homozygotes, this is called

Incomplete dominance

A gene that produces protein used more than one biochemical pathway or other trait is called __ gene

Pleiotropic

When two traits depend on more than one gene, their called

Polygenic

Recombinant chromatids have a maternal and paternal alleles due to

Crossing over between the linked genes

Genetic material spliced together from multiple organisms is known as

Recombinant DNA

Before a desired gene can be spliced into a bacterial plasmid cloning vector, the gene must first be

precisely cut with a restriction enzyme.

For dna sequencing, a dna called __sorts the isolated and cut DNA

Electrophoresis