Biology Error log

What is pinocytosis

Cellular intake of dissolved solutes

Which germ layer forms most of the PNS

Ectoderm

Which layer covers the surface of cortical bone

Periosteum

What kingdom does eukaryotic algae belong in

Protista

Where does cyclic phosphorylaiton occur

Stroma lamellae (Only contain PSO)

• Non cyclic contains both PSI and PSII

Down syndrome is a condition caused when nondisjunction occurs in meiosis I. Which of the following gametes would be produced from this condition?

Two gametes will lack chromosome #21 and two would have an extra copy

What is the effect of the hormone released by the parathyroid gland?

Increases blood calcium levels

What does genetic equilibrium require for the Hardy0Weinberg principle

Genetic equilibrium requires lack of evolution

What cells are the most abundant and the first to attack foreign infectious agents in the immune system

Neutrophils

Which of the followin cells is the most differentiated?

• Zygote

• Neoblast

• Lymphocyte

• Blastocyst

• Embryonic stem cell

Lymphocyte

What is the yolk sac in humans’ purpose

First site of red blood cell synthesis

A defect in which structure of a plant would prevent an ovule from being produced?

Pistil

Where are embryonic stem cells derived from

Blastocyst

An inability to produce lymphocytes would cause what type of disease?

Immunodeficiency

Who was responsible for the ecological theory of catastrophism

Cuvier

Failure to produce bile would result in an inability to properly process which of the following substances?

Fat

Which of the following would be classified as a labile cell?

• Neurons of the brain

• Skeletal muscle

• Epithelium of the skin

• SA node

• Osteocytes

Epithelium of the skin

Which type of genetic material is made in the nucleolus?

rRNA

During embryonic development, what develops directly above the notochord

Neural Tube

What is the pacemaker of the heart?

SA node

The pancreas releases enzymes used in digestion. Which of the following pancreatic enzymes is used to cleave peptide chains?

Chmyotrypsin

Which of the following would be present in both virus and E. coli bacteria?

• Organelles

• Nucleic Acids

• Capsids

• Cell wall

• Spike proteins

Nucleic Acids

Which organism were the first to produce oxygen on Earth

Cyannobacteria

When an individual loses a significant amount of weight, in what form is the majority of the weight lost

Exhalation in the form of CO2

What is the best description of the interaciton of estrogen with cells?

Estrogen diffuses through the membrane and binds to a teceptor in the nucleus

Rank these genetic components form smallest to largest

I. Nucleus

II. Chromosome

III. Cytosine

IV/ Gene

Cytosine, Gene, Chromosome, Nucleus

If an enzyme is added to a cell that destroys histone proteins, what would occur

RNA polymerase will have better access to the chromatin

E. coli are bacteria found in the lower intestine of warm-blooded organisms. Under oxygen-deprived conditions, these organisms will carry out which of the following processes?

Glycolysis and Krebs Cycle

If two plants are crossed with the following genotypes:

AaBbCcDd × AaBBCcDd. Assuming the independent assortment of all genes, what is the probability of obtaining an offspring with the genotype:

aaBBCcdd

In which phase of the cell cycle is DNA duplicated?

S phase

Which organelle would you expect to find in a prokaryotic cell?

A. Mitochondira

B. ER

C. Lysosome

D. Nucleus

E. Ribosome

E

Which structure is subject to the highest blood pressure?

• Arteriole

• Aorta

• Vein

• Vena Cana

• Cpaillaries

Aorta

E. coli produces toxin X, a deadly substance. H. pylori does not produce toxin X. In an experiment, E. coli is allowed to sit in a solution for some time. All of the E. coli are then lysed, and H. pylori are placed inside. After some time in the solution, H. pylori are now able to produce toxin X. Which of the following describes the process that allowed this to occur?

• Transduction

• Transformation

• Conjugation

• Transcription

• Mutation

Transformation

What is aldosterone primary site of action

Collecting duct and dct

Which event happens in meiosis but not mitosis

Homologous chromosome pairing

Which of the following occurs as a direct result of gastrulation

• Implnatation of the embryo

• Zygote rapidly increases rate of cell division

• Development of functional organs

• Formation of the zygote

• Different parts of the embryo begin to interact with one another

Different parts of the embryo begin to interact with one another

Down syndrome is caused by which of the following errors in cellular division

Non-disjunction

Which of the following would trigger an intracellular response

• Increase in cholesterole

• Decrease in IP3

• Decrease in Ca

• Increase in DAG

Increase in DAG

Do enzymes affect delta G

No

How many nucleotides are in a codon? So how many ncuelotides would be in;

30 codons

50 codons

75 codons

30 codons = 90 nucleotides

50 codons = 150 nucleotides

75 codons = 225 nucleotides

In a small population, what would a change in allele frequency due to a random event be defined as?

Genetic drift

What does GnRH directly stimulate the release of?

LH

What are behaviours that are present at birth without having to be taught

Innate behaviour

What is the most simiilar to an angiosperm seed

• Unfertalized chicken egg

• Fertalized chicken egg

• Endospore

• Ovary

• Sperm

Fertilized chicken eggW

What is the opposite of inbreeding

Hybrid Vigor (overbreeding)

Which of the following is present in paramecium and amoeba but not human cells

• Cilia

• Contractile vacuole

• Cell wall

• Nucleus

• Uterus

Contractile vacuole