🧬 biology

1. The problem asks what knowledge scientists gained by studying Rosalind Franklin's 1952 X-ray photograph of DNA. 2. This photograph is famous for revealing the structural pattern

1. The problem asks: What is the function of an enzyme in a biochemical reaction? 2. Enzymes are biological catalysts that speed up chemical reactions without being consumed.

1. The problem asks: How many chromosomes does each gamete have after meiosis in humans, given that body cells have 46 chromosomes? 2. Important fact: Human body cells are diploid,

1. The problem asks to identify the role of the cell membrane in the egg model when placed in different solutions. 2. The egg shells were dissolved to mimic red blood cells, focusi

1. The problem asks to identify the part of the DNA segment labeled X. 2. DNA consists of a double helix structure with two strands connected by specific components:

1. The problem involves understanding the chemical relationships between the pairs: O2 and ATP, CO2 and H2O, ATP and H2O, CO2 and O2. 2. Let's analyze each pair:

1. The problem asks to identify whether each description applies to photosynthesis or cellular respiration based on the given statements. 2. Photosynthesis is the process by which

1. The problem asks to identify the stage of mitosis shown in the photomicrograph of onion root tip cells. 2. The stages of mitosis include Prophase, Metaphase, Anaphase, and Telop

1. The problem involves understanding the percentage of time a cell spends in each major stage of the cell cycle, specifically the M phase and Interphase. 2. The cell cycle consist

1. The problem asks which property is found only in animal cells. 2. Let's analyze each option:

1. The problem asks: What is represented by the structure labeled 2 in the translation process diagram? 2. Translation is the process by which ribosomes synthesize proteins using m

1. The problem asks to identify the significance of a cellular process shown by a sequence of chromosome pairs undergoing crossover and segregation. 2. The process depicted is chro

1. The problem asks: What is the purpose of the process shown, which involves an mRNA sequence and its corresponding amino acids? 2. The process described is the translation of mRN

1. The problem asks: What is the cellular process that enables cells to grow and multiply into tissue, such as bioprinted skin? 2. The key biological process involved in cell growt

1. The problem asks which two molecules cross the cell membrane by active transport. 2. Active transport moves substances against their concentration gradient, meaning from low con

1. The problem asks which model correctly shows the conversion of molecules by chloroplasts and mitochondria. 2. Important biological facts:

1. **State the problem:** We start with an initial bacterial count of 698. The bacteria double every 38 minutes. We want to find the bacterial count after 4 hours. 2. **Formula use

1. **State the problem:** We need to find the total number of new cells created in 120 days if the body produces $3.3 \times 10^9$ new cells every day. 2. **Formula used:** Total c

1. **Problem statement:** Identify the kingdom of the organism and state the function of organelle C. 2. **Kingdom identification:** The organism belongs to the kingdom **Protoclst

1. **Problem Statement:** We are given a graph showing the relationship between trunk diameter and age for two tree species: American beech and silver maple.

1. **Problem Statement:** We have a population growing initially at an exponential base rate of 4.5% per year, then following a logistic growth pattern with a carrying capacity of