🧬 biology

1. **Stating the problem:** The question asks about the primary role of sunlight in the light-dependent reactions of photosynthesis. 2. **Understanding the light-dependent reaction

1. The problem asks about the purpose of light reactions in photosynthesis. 2. Light reactions are the first stage of photosynthesis where light energy is converted into chemical e

1. The problem asks: Which system begins the light-dependent reaction in photosynthesis? 2. The light-dependent reactions occur in the thylakoid membranes of chloroplasts and invol

1. The problem asks: Which genetic disorder is caused by a sex-linked gene? 2. Sex-linked genes are located on the sex chromosomes, typically the X chromosome. Disorders caused by

1. The problem asks: What is the term for the physical appearance of a character in genetics? 2. Important definitions:

1. **Stating the problem:** Which blood type can be transfused into recipients of any genetic makeup with negligible ill effects?

1. The problem asks how sperms reach the ovum during human reproduction. 2. This is a biological process, not a mathematical one, so no formulas apply here.

1. **Problem Statement:** We are given a circular field of view with a diameter of 1.4 millimeters and a unicellular organism inside it. We need to determine the length of this uni

1. **State the problem:** We start with 400 fish in a lake, the carrying capacity is 7100 fish, and after one year, the population grew to 520 fish.

1. **State the problem:** We have a fish population starting at 400, with a carrying capacity of 7100, and after 1 year the population is 520. We want to find the logistic growth e

1. The problem asks to identify two reasons why fossils form an incomplete record of evolution. 2. Fossilization depends on specific conditions; not all organisms fossilize because

1. **Problem statement:** A bacteria culture doubles every 4 hours, but an antibiotic kills 50% of the bacteria every 6 hours. We want to find the net growth function of the bacter

1. **Stating the problem:** Differentiate between the sympathetic and parasympathetic nervous systems and write the functions of each. 2. **Understanding the systems:** The autonom

1. The problem asks for an approximate number of blood cells in a typical adult lion's body. 2. Blood cells primarily include red blood cells (RBCs), white blood cells (WBCs), and

1. **Problem Statement:** Does having only two daughters mean the husband does not produce sperm bearing a 'Y' chromosome? Explain using a sex determination chart. 2. **Explanation

1. The Krebs cycle, also known as the citric acid cycle or TCA cycle, is a series of chemical reactions used by all aerobic organisms to generate energy. 2. It takes place in the m

1. **State the problem:** We have viral load data $V$ measured at different times $t$ (days) after treatment started. We want to model $V$ as a function of $t$, find the half-life

1. The aorta is the largest artery in the human body. 2. It originates from the left ventricle of the heart.

1. The problem is to explain the importance of respiration. 2. Respiration is a biochemical process that produces energy by breaking down glucose molecules.

1. Problem: Choose the best alternative for which activity uses digital signal. Digital signals are discrete signals used in modern communication such as the internet. Analog signa

1. المشكلة هي تصنيف المفردات الواردة في السؤال حسب نوعها إلى كلمات فقط، رموز فقط، رموز وكلمات، أو جمل كلمات فقط. 2. تصنيف (أ) كلمات فقط: طول النبات، انتقال المواد، إفراز المواد، ال