Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Biology Expert

2. Which of the following statements about osmosis is NOT correct?
a. It occurs across a membrane.
b. It is a special form of diffusion.
c. Only water flows across a membrane.
d. In hypertonic surroundings, water will flow into cells.
e. Osmosis is based on a concentration difference.

3. Which of the following is NOT true about channel proteins?
a. Substances move along a concentration gradient.
b. They are integral membrane proteins.
c. Movement of substances is based on diffusion.
d. Energy is required to move substances through the channel protein.
e. Ions can move through channel proteins.

4. Which term would you associate most with facilitated diffusion?
a. proton pumps
b. Ca2+ pumps
c. Na+/K+ pumps
d. carrier proteins
e. electrochemical gradient

5. Which process CANNOT move particles, water, or solutes into a cell?
a. osmosis
b. phagocytosis
c. pinocytosis
d. exocytosis
e. receptor-mediated endocytosis

6. Which term would you associate with exchange diffusion?
a. osmosis
b. active transport
c. facilitated diffusion
d. passive transport
e. peripheral membrane protein

7. Which of the following is NOT true for fermentation?
a. It produces less energy than aerobic respiration.
b. It uses excess NAD+ to regenerate NADH.
c. It includes glycolysis.
d. It does not include an electron transport chain.
e. Oxygen is not the terminal electron acceptor.

8. The citric acid cycle take place
a. in the chloroplasts.
b. in the cytosol.
c. in the inner mitochondrial membrane.
d. between the two mitochondrial membranes.
e. in the mitochondrial matrix.

9. Which of the following terms does NOT apply to chemiosmosis?
a. glycolysis
b. proton-motive force
c. oxidative phosphorylation
d. ATP synthase
e. inner mitochondrial membrane

10. The high concentration of protons in the intermembrane space of mitochondria originates from
a. glycolysis.
b. pyruvate oxidation.
c. reactions in the electron transport chain.
d. synthesis of ATP.
e. all of the above.

11. Which of the following substances is/are involved in the regulation of aerobic respiration?
a. ATP
b. citrate
c. NADH
d. AMP
e. all of the above

12. In the absence of the light reactions of photosynthesis, which components would be required to make the Calvin cycle proceed?
a. water and light
b. chlorophyll a
c. ATP and NADPH
d. only NADPH
e. carotenoids and chlorophyll

13. Which of the following is NOT correct for rubisco?
a. It is the most abundant enzyme.
b. It catalyzes two different reactions.
c. It is involved in photorespiration.
d. It is not used by CAM plants.
e. It is not efficient in fixing CO2.

14. Which of the following is NOT true for CAM plants?
a. They lack bundle sheath cells.
b. They do not use the Calvin cycle.
c. They are common in hot, dry environments.
d. PEP carboxylase is a key enzyme.
e. CAM plants prevent photorespiration.

15. Which of the following components is not crucial for cyclic electron transport in photosynthesis?
a. photosystem I
b. photosystem II
c. light
d. ferredoxin
e. plastocyanin

16. To produce two molecules of O2, how many photons must be absorbed through photosynthesis?
a. 4
b. 8
c. 16
d. 32
e. none of the above

Biology, Academics

  • Category:- Biology
  • Reference No.:- M928856

Have any Question? 


Related Questions in Biology

Over half of the bodys glucose is metabolized in the brain

Over half of the body's glucose is metabolized in the brain. Very few of the alternate fuels are used in the brain, but are commonly used by other parts of the body. Muscles increase their use of glucose with increasing ...

Give an example of pairs that can be mixed together to make

Give an example of pairs that can be mixed together to make a budget solution?

A man and wife have a daughter she marries and has a son

A man and wife have a daughter. She marries and has a son who is colorblind, a sex-linked trait. She has normal vision. Using the letters "C" and "c", list all potential genotypes for the man and his wife. What is the pr ...

You examine a cell under a microscope and you do not see a

You examine a cell under a microscope and you do not see a well-defined nucleus. What type of cell is this? Prokaryotic Eukaryotic Plant Animal

Imagine two parents are both heterozygous for two autosomal

Imagine two parents are both heterozygous for two autosomal genes. Assuming independent assortment, what proportion of their offspring are expected to have the same phenotype (for these two traits) as the parents? A) 0.2 ...

How to define which domain of membrane protein is

How to define which domain of membrane protein is intracellular or extracellular domain?

What fundamental assumption underlies the concept of an

What fundamental assumption underlies the concept of an ocean commons?

Discussion topicolder people die for a number of reasons

Discussion Topic Older people die for a number of reasons: cancer, heart failure, complications due to diabetes, stroke, Alzheimer's, etc. Often times, the way we live our lives affect not only how long we live but what ...

Urgent two immune system questionsactivated t-helper cells

URGENT: Two immune system questions: Activated T-helper cells aid in humoral immune responses by releasing cytokines which promote antibody production, phagocytosis, neutralization and apoptosis. Which parts of this stat ...

What does precautionary principle mean how would you apply

What does precautionary Principle mean. How would you apply the concept of the Precautionary Principle to the unrestricted allowance of endocrine disrupters in consumer products?

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen