Lembar rumus, langkah-langkah metode utama untuk setiap topik, dan 16 soal latihan, dengan pembahasan lengkap di bagian belakang.
When Rosa started her new job at the hospital, she got lost three times on the first day. By the end of the month, she was giving directions to visitors. What does the passage show about Rosa?
“The old bookshop had survived two wars and a fire. When a huge chain store opened across the street, people expected it to close. Instead, loyal customers organised a reading club there, and sales rose.” What is the central idea?
Grafik garis menunjukkan jumlah orang di ruang tunggu setiap 2 jam, dari jam ke-0 sampai jam ke-10. Berapa perubahan Δ nilai dari jam ke-0 ke jam ke-8? Gunakan bilangan negatif untuk penurunan.
Dalam obral diskon 15%, sebuah stetoskop berharga $191,25. Berapa harga semula x, dalam dolar?
Tulang tengkorak mana yang memiliki foramen magnum?
Hernia inguinalis indirek masuk ke kanalis inguinalis melalui titik mana?
Hormon apa yang meningkatkan reabsorpsi air di duktus koligens ginjal?
Perubahan apa yang menggeser kurva disosiasi oksigen–hemoglobin ke kanan?
Red-green colour blindness is X-linked recessive. A colour-blind woman (XᵇXᵇ) has children with a man with normal colour vision (XᴮY). What fraction of their sons is expected to be colour-blind?
Finches on the Galápagos Islands have different beak shapes on islands with different foods. What is the best explanation?
Which statement describes a saturated fat?
Why does atomic radius decrease from left to right across a period?
Choose the correct form: “Take this medicine ___.”
What is the function of the underlined phrase? “The nurse with the blue badge is my cousin.”
Choose the meaning of the word in bold: “The nurse initiated CPR as soon as the patient collapsed.”
Choose the word that best completes the sentence: “The nurse ___ the patient’s concerns and arranged a meeting with the doctor.”
Jawaban: C · She quickly learned her way around the hospital.
Going from getting lost to helping visitors shows that she learned the layout quickly.
Jawaban: B · Community support helped the bookshop survive.
People expected the shop to close, but loyal customers formed a reading club and sales rose, showing that community support kept it going.
Jawaban: Δ = 20
Membaca grafik dan tabel: baca judul, kategori, dan skala lebih dahulu. Pada diagram batang atau grafik garis, ikuti puncak batang atau titik secara mendatar ke sumbu vertikal; setiap garis kisi adalah satu langkah skala. Diagram lingkaran menunjukkan bagian dari keseluruhan: juring p% mewakili p% dari total dan bersudut p% dari 360°.
Jawaban: x = 225 $
Persentase terbalik: jika suatu nilai sudah dinaikkan atau diturunkan sebesar persen tertentu, nilai barunya adalah persen dari nilai semula, bukan sebaliknya. Setelah diskon 20%, harga menjadi 80% dari harga semula, jadi harga semula = harga baru ÷ 0,80. Jangan pernah menambahkan 20% kembali ke harga baru.
Jawaban: C · Tulang oksipital
Foramen magnum adalah lubang besar di tulang oksipital tempat medula oblongata berlanjut menjadi sumsum tulang belakang.
Jawaban: D · Melalui anulus inguinalis profundus, lateral dari pembuluh epigastrika inferior
Hernia indirek melewati anulus profundus, lateral dari pembuluh epigastrika inferior, lalu berjalan di sepanjang kanalis. Hernia direk menembus dinding posterior di sebelah medialnya.
Jawaban: B · Hormon antidiuretik (ADH)
ADH (vasopresin) dari hipofisis posterior memasang kanal akuaporin-2, membuat duktus koligens permeabel terhadap air dan memekatkan urine.
Jawaban: B · Suhu lebih tinggi
Suhu, CO₂, H⁺ (pH lebih rendah), dan 2,3-BPG yang lebih tinggi menurunkan afinitas hemoglobin dan menggeser kurva ke kanan, melepaskan lebih banyak oksigen ke jaringan aktif.
Jawaban: B · All
Every son gets the father's Y and one of the mother's X chromosomes, which are both Xᵇ, so all sons are expected to be colour-blind (XᵇY). Every daughter gets the father's Xᴮ, so the daughters are carriers with normal colour vision.
Jawaban: A · Natural selection favoured beaks suited to each food source
On each island, birds with beaks better suited to the local seeds or insects fed better and left more offspring. Over many generations, beak shape changed in each population.
Jawaban: D · Its fatty acid chains have no carbon–carbon double bonds
Saturated fatty acids have only C–C single bonds and the maximum number of hydrogens. Their straight chains pack closely, so saturated fats such as butter are usually solid at room temperature.
Jawaban: A · More protons pull the electrons of the same outer shell closer
Across a period, each element has one more proton but its outer electrons are in the same shell with similar shielding. The stronger nuclear charge pulls the electrons in, so the atom gets smaller.
Jawaban: C · every day
“Every day” (two words) means each day. “Everyday” (one word) is an adjective meaning ordinary, as in “everyday shoes”.
Jawaban: D · It is an adjective phrase describing “nurse”.
The prepositional phrase tells which nurse, so it works as an adjective modifying “nurse”. The subject is “nurse”.
Jawaban: D · Began
To initiate is to start or begin something.
Jawaban: A · acknowledged
To acknowledge is to accept or recognise that something exists or is important.
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