Marco Antonio

Humboldt State University
STEM Student

Biography

I also worked as a college access advisor after my graduation. My target population was first generation/low income students pursing higher education. During my role as advisor I also played the role as a tutor.

Education

BA Cellular/Molecular Biology
Humboldt State University

Educator Statistics

Numerade tutor for 5 years
7 Students Helped

Topics Covered

The Fascinating Chemistry of Life: Discovering the Building Blocks
Mastering Metabolism 101: A Beginner's Guide
Mendelian Genetics: Understanding Inheritance Patterns
The Central Dogma: Understanding Gene Expression

Marco's Textbook Answer Videos

03:06
Genetics: A Conceptual Approach

Name six different levels at which gene expression might be cont miled.

Chapter 16: Control of Gene Expression in Bacteria
Marco Antonio
02:47
Genetics: A Conceptual Approach

Draw a picture illustrating the general structure of an operon and ident ify its parts.

Chapter 16: Control of Gene Expression in Bacteria
Marco Antonio
02:53
Genetics: A Conceptual Approach

For each of the following types of transcriptional control, indicate whether the protein produced by the regulator gene will be synthesized init ially as an active repressor, inactive repressor, active activator, or inactive activator.
a. Negative control in a repressible operon
b. Positive control in a repressible operon
c. Negative control in an inducible operon
d. Positive control in an inducible operon

Chapter 16: Control of Gene Expression in Bacteria
Marco Antonio
01:28
Genetics: A Conceptual Approach

A mutant strain of $E .$ coli produces $\beta$ -galactosidase in both the presence and the absence of lactose. Where in the operon might the mutation in this strain occur?

Chapter 16: Control of Gene Expression in Bacteria
Marco Antonio
01:23
Understanding Biology

Nondisjunction
a. can occur in meiosis I or meiosis II.
b. can be detected in a karyotype.
c. can occur in sex chromosomes and autosomes.
d. All of the above

Chapter 13: The Chromosomal Basis of Inheritance
Section 4: Changes in Chromosome Number Can Have Drastic Effects
Marco Antonio
1 2

Marco's Quick Ask Videos

01:30
Biology

The femur is ? or ? to the patella and Superior or ? to the pedal.

Marco Antonio
1