Dat biology Study guides, Class notes & Summaries

coacervate droplets (1) - cluster of colloidal molecules surrounded by a shell of water, tends to absorb and incorporate substances from environment - precursors to first cells protoplasm - the substance of life carbohydrates - CHO in 1:2:1 ratio energy storage or structural molecules disaccharides and polymers formed by dehydration synthesis, broken down by hydrolysis

Definition of a molecule - Molecules are groups of 2 or more atoms joined via chemical bonds. Chemical bonds are due to electron interactions. Ionic and covalent bonds are.....whereas hydrogen bonds are..... - intramolecular intermolecular m Formula of an amine group - R-NH2

Cyclic AMP - A secondary messenger important in many biological processes. It is a derivative of ATP and is used for intracellular signal transduction in many organisms. Which is a secondary messenger? - Cyclic AMP Plasmid - Small, circular, double-stranded DNA molecule that is distinct from a cell's chromosomal DNA. Naturally exist in bacterial cells, but occur in some eukaryotes. Carry genes (act as vehicle) that provide bacteria with genetic advantages, such as antibiotic resistance.

Describe Cell Theory - a.All living things are composed of cells b.Cells can only develop from pre-existing cells c.Cells are the smallest unit of life d.Cells carry their genetic information in the form of DNA (T/F) Electron microscopy can be used for the study of live specimens. - False . What type of laboratory method can be used to spate cells without destroying them? - Filtration, Centrifuge

DAT Biology. Questions with 100% correct answers _ verified _ latest update 2024

DAT Biology (ALL Practice Exam Questions) with Certified Solutions An organism is found during a biopsy of lung tissue. It is determined to belong to the genus Streptococcus and is known to cause tuberculosis. What type of organism is this? Bacteria A botanist has discovered a new plant and notes that it is predominantly found in its gametophyte form. Which category does this plant most likely belong to? Bryophyte In the fetal circulatory system, the ductus venosus allows blood to bypass? Liv...

An organism is found during a biopsy of lung tissue. It is determined to belong to the genus Streptococcus and is known to cause tuberculosis. What type of organism is this? - Answer-Bacteria A botanist has discovered a new plant and notes that it is predominantly found in its gametophyte form. Which category does this plant most likely belong to? - Answer-Bryophyte In the fetal circulatory system, the ductus venosus allows blood to bypass? - Answer-Liver What would be the expected outc...

DAT Biology (ALL Practice Exam Questions) 100% Correct Answers | Verified | Latest 2024 Version

An organism is found during a biopsy of lung tissue. It is determined to belong to the genus Streptococcus and is known to cause tuberculosis. What type of organism is this? - Bacteria A botanist has discovered a new plant and notes that it is predominantly found in its gametophyte form. Which category does this plant most likely belong to? - Bryophyte In the fetal circulatory system, the ductus venosus allows blood to bypass? - Liver What would be the expected outcome if the acrosome of a ...

AC-HPAT BIOLOGY 2024 QUESTIONS WITH COMPLETE SOLUTIONS GRADED A+ LATEST UPDATE Pancreas and Type 1 diabetes - ANWERS The pancreas is the organ that produces insulin, and it plays a major role in regulating blood glucose levels. Type 1 diabetes occurs when the pancreas does not make enough or any insulin. How does insulin work in diabetes? - ANWERS Insulin pumps are small, computerized devices that mimic the way the human pancreas works by delivering small doses of short acting insu...