Which statement most accurately describes how deoxyribonucleic acid (DNA) carries the genetic code for building an organism?

The order of nitrogen bases provides the genetic code

The genetic code is based on the number of hydrogen bonds found between nitrogen bases

The number of deoxyribose sugars along the sides of the DNA ladder is used to determine the genetic code

The shape of the DNA molecule provides the genetic code

The diagram above shows the process of meiosis. The segregation that occurs results in -

reduction in the number of chromosomes per cell

decrease in the total number of cells per organism

group of genetically identical cells

Which of the following statements is NOT correct regarding the process in the illustration?

I must be complementary to an mRNA codon.

III shows the first two amino acids of a growing protein change

The process shown is translation.

The diagram shows a model of species divergence among some primates. If this model is correct, the greatest genetic differences would be found in the DNA sequences of which two species?

Pan troglodytes and Lemur catta

Tarsius bancanus and Cebrus albifrons

Macaca sylvanus and Macaca mulatta

Hylobates lar and Pongo pygmaeus

The importance of a uniform taxonomic system to the scientific community includes all of the following EXCEPT ....

Binomial nomenclature provides a common language.

Species names are very specific.

Two or more different kinds of organisms may not have the same name.

Duck feet are especially well-adapted for life in the water. Sharp claws allow them to better navigate the wet, slippery environment and webbed toes aid in their swimming ability. These adaptations probably came about as a result of

variation in the duck population; ducks born with one or more of these traits were more reproductively successful

one duck developing these favorable traits over its lifetime and passing them to its offspring

nature selecting against these adaptations

selective breeding of ducks with these favorable traits over many generations

The rock strata were excavated in an area as illustrated above and the fossil remains examined. According to this information, the most likely scenario is that ...

A terrestrial environment was covered by a shallow sea for a period of time.

Layer I is the oldest, followed by Layer II, III, and IV.

Fish suddenly appeared on Earth at the time of Layer III.

A marine environment gradually filled with sediment and became a terrestrial environment.

The simple sugar glucose, C₆H₁₂O₆ , is formed through the process of photosynthesis as depicted in the chemical equation above. Simple sugars are unique among bio-molecule monomers in that

Carbon, hydrogen, and oxygen atoms are always found in a 1:2:1 ratio.

They are used by the body for long-term energy storage.

They do not dissolve readily in water.

They are the building blocks of proteins.

Enzymes are proteins which function in both metabolic and anabolic pathways in living things. Which of the following is NOT a characteristic of enzymes?

Enzymes slow down chemical reactions.

Enzymes act as biological catalysts.

Enzymes reduce activation energy needed for a chemical reaction to proceed.

Biomolecule polymers such as proteins, lipids, amino acids, and carbohydrates are formed when individual monomers are joined through the process of dehydration synthesis. Dehydration synthesis requires the...

destruction of a water molecule

evaporation of a water molecule

Which is the best description of how the organ system pictured interacts with the circulatory system to deliver nutrients to cells?

The digestive system processes food into smaller molecules which are picked up for delivery to the body’s cells by the circulatory system through capillaries in the small intestine.

Water recovered from the large intestine is picked up by capillaries and delivered to the stomach to aid in digestion.

The circulatory system moves the secretions from the liver, gallbladder, and pancreas through the bloodstream for delivery to the stomach where they are used to break down large particles.

Nutrients are taken in through the respiratory system and are picked up by the thin walls of capillaries in the lungs for delivery to the rest of the body’s cells.

Which of these statements best summarizes the change in populations which has occurred during the stages of succession illustrated?

Populations of freshwater fish and aquatic plants are gradually replaced by populations of weeds and grasses as a pond fills with silt.

Populations of freshwater fish and aquatic plants die off as their habit becomes filled with silt.

A marine ecosystem is replaced by a terrestrial ecosystem.

A terrestrial ecosystem is replaced by a freshwater ecosystem.

Carbon flows cyclically through organisms and the environment. Which of the following descriptions of the carbon cycle is NOT correct?

Carbon dioxide is produced through photosynthesis and used in cellular respiration.

Major reservoirs of carbon include tropical forests, oceans and fossil fuels.

Humans may disrupt the carbon cycle by burning fossil fuels which may result in global warming.

Carbon is released to the atmosphere in the form of CO2 through respiration in living things.

In an ecosystem, the simple food chain above shows the movement of matter and energy from one organism to the next. If disease reduced the number of organisms at the producer level, which other organism would feel the greatest effect?

the mouse because it eats producers

the mouse because it is a producer

the cat since it is a 2nd order consumer

the coyote because it is the top consumer in the food chain

EOC Biology Review Assignment

Quiz

•

Biology

•

9th - 12th Grade

•

Practice Problem

•

Hard

•

NGSS

HS-LS2-6, HS-LS1-1, HS-LS3-2

+20

Standards-aligned

Melissa Pierson

Used 175+ times

FREE Resource

32 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

Viruses are considered non-living because they lack the machinery to reproduce on their own and must rely on a cellular host cell to survive. Structures common to both cells and viruses include

protein capsid

nucleic acids

cell wall

nucleus

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Differences between prokaryotes and eukaryotes which are readily observable through the light microscope include

I only

II only

I and II only

I and III only

3.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

The cellular organelle most directly involved in maintaining homeostasis is the

plasma membrane

cell wall

chloroplast

mitochondria

Tags

NGSS.HS-LS1-3

4.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

The stage of the cell cycle pictured may be best described as

Cytokinesis: the cytoplasm of the cell is divided

S phase: DNA is copied, resulting in identical sister chromatids

G2 phase: the cell grows in size and prepares to divide the nucleus

Mitotic phase: the nucleus is divided

Tags

NGSS.HS-LS1-4

5.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

Leaves are plant organs specialized for photosynthesis. Through the light microscope, which organelle would be expected to be seen in greater numbers?

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

6.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

When harmful mutations occur in genes that contain the information to make cell cycle regulatory proteins, this may result in accelerated cell division. The result of these mutations is most likely

cancer

slower cell growth

a halt in mitosis

entry into G0 phase

Tags

NGSS.HS-LS1-4

7.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

Which of the following illustrations depicts a nucleotide, the building block of DNA?

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