100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
PCAT practice test questions biology || A+ Graded Already. $11.89
Add to cart
Quickly navigate to
Preview
  2.  
  3. PCAT Practice
  4.  
  5. PCAT practice

Exam (elaborations)

PCAT practice test questions biology || A+ Graded Already.
 0 purchase
  • Course
  • PCAT practice
  • Institution
  • PCAT Practice

which of the following is most responsible for generating genetic diversity in bacteria? a) rapid asexual reproduction b) environmental mutagens c) selective mating d) metabolic diversity correct answers environmental mutagens during the citric acid cycle, which enzyme is responsible for syn...

[Show more]

Preview 2 out of 15  pages

Document information

  • August 9, 2024
  • 15
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • which of the following is most responsible for gen

Written for

  • PCAT practice
  • PCAT practice

Seller

avatar-seller
FullyFocus

Reviews received

Content preview

PCAT practice test questions biology || A+ Graded Already.
which of the following is most responsible for generating genetic diversity in bacteria?
a) rapid asexual reproduction
b) environmental mutagens
c) selective mating
d) metabolic diversity correct answers environmental mutagens

during the citric acid cycle, which enzyme is responsible for synthesizing fumarate to succinate?
a) fumarase
b) malata dehydrogenase
c) succinate coenzyme Q reductase
d) citrate synthase correct answers succinate coenzyme D reductase

which of the following is not a function of the integumentary system in humans?
a) to produce vitamin D
b) to keep viruses in environment outside the body
c) insulate against heat loss
d) absorb oxygen from environment outside the body correct answers to absorb oxygen from the
environment outside of the body

in a cell with defective histones, which structure would be absent?
a) rough ER
b) discrete nucleus
c) tightly coiled DNA
d) lysosomes correct answers tightly coiled DNA

if a population is at equilibrium, the ratio of dominant to recessive genes in the gene pool tends
to remain stable from one generation to the next. the stability can be upset by:
a) large population of individuals capable of reproducing
b) absence of mutations occuring within a population
c) selective breeding among individuals in the population
d) lack of significant immigration or emigration correct answers selective breeding among
individuals in the population

genetic engineering differs from selective breeding because:
a) changes the size and vigor of an organism
b) increases the number of chromosomes in an organism
c) reduces an organisms needs for certain nutrients
d) introduces genes from a different species of organism correct answers introduces genes from a
different species of an organism

in the first stage of carbohydrate metabolism, glucose is broken down into:
a) citric acid
b) lactic acid
c) pyruvic acid

, d) uric acid correct answers pyruvic acid

the exposure time at a given temperature needed to reduce the number of microorganisms by
90% is called:
a) decimal reduction time
b) time constant
c) phenol coefficient
d) toxicity index correct answers decimal reduction time

glycoproteins produced by virus-infected cells that signal neighboring tissues to resist infection
are known as:
a) interferons
b) lymphocytes
c) histamine
d) T cells correct answers interferons

which parasite causes malaria?
a) trypanosoma gambiense
b) plasmodium falciparum
c) borrelia burgdorferi
d) wuchereria bancrofti correct answers plasmodium falciparum

during muscle rest, mysoin cross bridges are:
a) associated with ADP molecules
b) not attached to actin
c) releasing inorganic phosphate
d) attached to the thin filament correct answers not attached to actin

which of the following is true about muscle contractions?
a) Z lines move further apart
b) I bands shorten
c) thick filaments is composed of actin
d) actin cross bridges bind to myosin correct answers I bands shorten

which of the primary germ layers in an embryo develops into the muscles, kidneys, skeleton and
circulatory system?
a) coelom
b) mesoderm
c) ectoderm
d) endoderm correct answers mesoderm

tissues of which uterine lining are shed per month if pregnancy does not occur?
a) perimetrium
b) myometrium
c) endometrium
d) peritoneum correct answers endometrium

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller FullyFocus. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $11.89. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

68175 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 15 years now

Start selling
$11.89
  • (0)
Add to cart
Added