Question 1

Labor preceding birth _____.

Accepted Answer

A)  ​is a positive feedback loop 
B)  ​is a negative feedback loop 
C)  ​is influenced by prolactin 
D)  ​proceeds at a regular pace 
E)  ​stabilizes hormonal balance 
A)  ​is a positive feedback loop 
B)  ​is a negative feedback loop 
C)  ​is influenced by prolactin 
D)  ​proceeds at a regular pace 
E)  ​stabilizes hormonal balance

Question 2

By the eighth week of human fetal development, ____.

Accepted Answer

A)  ​the embryo does not look human yet 
B)  ​the neural tube has just begun to differentiate 
C)  ​upper and lower limbs have formed, but individual fingers and toes have not begun to differentiate 
D)  ​male or female reproductive structures have not started to form yet 
E)  ​male or female reproductive structures are forming 
A)  ​the embryo does not look human yet 
B)  ​the neural tube has just begun to differentiate 
C)  ​upper and lower limbs have formed, but individual fingers and toes have not begun to differentiate 
D)  ​male or female reproductive structures have not started to form yet 
E)  ​male or female reproductive structures are forming

Question 3

A woman has discovered she is pregnant. What should she avoid to reduce the risk of injuring the fetus or having a miscarriage?

Accepted Answer

​Most directly, pregnant women should no

Question 4

Respond to the following statements with reference to the five terms listed below.​
-This is the division of the zygote.

Accepted Answer

A) ​zygote 
B) ​blastula 
C) ​cleavage 
D) ​gastrula 
E) ​somites 
A) ​zygote 
B) ​blastula 
C) ​cleavage 
D) ​gastrula 
E) ​somites

Question 5

About half of all miscarriages are caused by ____.

Accepted Answer

A)  ​chromosomal abnormalities 
B)  ​alcohol use during pregnancy 
C)  ​cleft palate 
D)  ​tobacco use during pregnancy 
E)  ​illegal drug use during pregnancy 
A)  ​chromosomal abnormalities 
B)  ​alcohol use during pregnancy 
C)  ​cleft palate 
D)  ​tobacco use during pregnancy 
E)  ​illegal drug use during pregnancy

Question 6

Exposure to a teratogen during pregnancy can result in ____.

Accepted Answer

A)  ​decreased risk of miscarriage 
B)  ​newborns of higher birth weight 
C)  ​reduced vitamin C levels for the mother-to-be and for her fetus 
D)  ​fetal facial and cranial deformities 
E)  ​increased risk of rubella 
A)  ​decreased risk of miscarriage 
B)  ​newborns of higher birth weight 
C)  ​reduced vitamin C levels for the mother-to-be and for her fetus 
D)  ​fetal facial and cranial deformities 
E)  ​increased risk of rubella

Question 7

Different cell lineages express different subsets of genes, resulting in _____.

Accepted Answer

A)  ​epigenetics 
B)  ​selective genetics 
C)  ​differentiation 
D)  ​morphogenic 
E)  ​assimilation 
A)  ​epigenetics 
B)  ​selective genetics 
C)  ​differentiation 
D)  ​morphogenic 
E)  ​assimilation

Question 8

The process that causes embryonic cells to produce signals that alter the behavior of neighboring cells is known as ____.

Accepted Answer

A)  ​contact inhibition 
B)  ​ooplasmic localization 
C)  ​embryonic induction 
D)  ​pattern formation 
E)  ​gene splicing 
A)  ​contact inhibition 
B)  ​ooplasmic localization 
C)  ​embryonic induction 
D)  ​pattern formation 
E)  ​gene splicing

Question 9

The female hormone that participates in milk production is _____ and the hormone that facilitates delivery is _____.

Accepted Answer

A)  ​prolactin; oxytocin 
B)  ​prolactin; estrogen 
C)  ​prolactin; progesterone 
D)  ​oxytocin; estrogen 
E)  ​oxytocin; progesterone 
A)  ​prolactin; oxytocin 
B)  ​prolactin; estrogen 
C)  ​prolactin; progesterone 
D)  ​oxytocin; estrogen 
E)  ​oxytocin; progesterone

Question 10

The following questions refer to the figure above illustrating frog development.
-Cleavage is indicated by the letter ____.

Accepted Answer

A)  ​A 
B)  ​B 
C)  ​C 
D)  ​D 
E)  ​E 
A)  ​A 
B)  ​B 
C)  ​C 
D)  ​D 
E)  ​E

Question 11

Respond to the following statements with reference to the five terms below.​
-gray crescent

Accepted Answer

A) ​somites 
B) ​blastomeres 
C) ​ectoderm 
D) ​mesoderm 
E) ​endoderm 
A) ​somites 
B) ​blastomeres 
C) ​ectoderm 
D) ​mesoderm 
E) ​endoderm

Question 12

During implantation, the __________ buries itself in the uterine wall.

Accepted Answer

The answer of During implantation, the __________ buries itself in...

Exam 42: Animal Development

Labor preceding birth _____.

By the eighth week of human fetal development, ____.

A woman has discovered she is pregnant. What should she avoid to reduce the risk of injuring the fetus or having a miscarriage?

Respond to the following statements with reference to the five terms listed below.​ -This is the division of the zygote.

About half of all miscarriages are caused by ____.

Exposure to a teratogen during pregnancy can result in ____.

Different cell lineages express different subsets of genes, resulting in _____.

The process that causes embryonic cells to produce signals that alter the behavior of neighboring cells is known as ____.

The female hormone that participates in milk production is _____ and the hormone that facilitates delivery is _____.

The following questions refer to the figure above illustrating frog development. -Cleavage is indicated by the letter ____.

Respond to the following statements with reference to the five terms below.​ -gray crescent

During implantation, the __________ buries itself in the uterine wall.

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

Ground Rules of Metabolism

Where It Starts - Photosynthesis

How Cells Release Chemical Energy

Dna Structure and Function

From Dna to Protein

Gene Control

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Studying and Manipulating Genomes

Evidence of Evolution

Processes of Evolution

Organizating Information About Species

Lifes Origin and Early Evolution

Viruses - Bacteria - and Archaea

Protists - the Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolution - the Invertibrates

Animal Evolution - the Chordates

Human Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Behavior

Filters

Respond to the following statements with reference to the five terms listed below. -This is the division of the zygote.

The female hormone that participates in milk production is _ and the hormone that facilitates delivery is _.

Respond to the following statements with reference to the five terms below. -gray crescent