問題詳情
41. Which one of pairs is matched correctly for the germ layers from which animals evolve?
(A) Ectoderm-muscle.
(B) Mesoderm-outer covering.
(C) Endoderm-internal linings of digestive tract.
(D) Mesoderm-nervous system.
(E) Ectoderm-internal linings of liver and lungs.
(A) Ectoderm-muscle.
(B) Mesoderm-outer covering.
(C) Endoderm-internal linings of digestive tract.
(D) Mesoderm-nervous system.
(E) Ectoderm-internal linings of liver and lungs.
參考答案
無參考答案
內容推薦
- Proteomics is a new kind of challenge because(A) the number of proteins in humans probably far e
- Which of the following is considered an intrinsic isolating mechanism?(A) Gametic incompatibilit
- Which one of modifications is likely to alter the rate at which a DNA fragment moves through age
- Proto-oncogenes can change into oncogenes that cause cancer, which one can best explain thechara
- Which one is correct for the description of transposons?(A) It occurs only in bacteria.(B) Some
- Which of the following human DNA polymerases is responsible for replicating the mitochondrialDNA
- Which one is the correct sequence of protein synthesis?An aminoacyl-tRNA binds to the A site2
- MPF is a cyclin-Cdk complex that was discovered first in Xenopus egg. Its activity fluctuatesdur
- Ribosomes attached to rough ER are the site for synthesis of many types of secretary proteins.Wh
- Which of the following is NOT correct regarding homeotic genes?(A) Homeotic genes encode transcr
內容推薦
- Why is nitrogen fixation needed for the growth of some plants?(A) Nitrogen fixers are sometimes
- A plant with high levels of tolerance to heavy metals was applied for mining minerals in potenti
- Which one is true of micronutrients in plants?(A) Overdoses of them can not be toxic.(B) They ge
- How might a plant respond to cold stress EXCEPT(A) an alteration of membrane lipids.(B) the prod
- The function of plasma proteins is NOT related to which one of the following?(A) Oxygen transpor
- Which one of the statements is FALSE for digestion and absorption of fat?(A) The requirement of
- Which statement about the complement is true?(A) These proteins are involved in innate immunity
- Melatonin can participate in which one of the following items?(A) Skin pigmentation. (B) Monitor
- Based on the gene and protein sequences that follow, what type of mutation-polypeptide effect ha
- The pathway leading to the perception of sound begins with the hair cells of the organ of Corti,
- What distinguishes a coelomate animal from a pseudocoelomate animal is that coelomates?(A) have
- Which of the following word pairs are MISMATCHED?(A) Random distribution: aggressive interaction
- A drug might act as a stimulant of the somatic nervous system if it(A) increases the sensitivity
- Why would a scientist choose to use DNA analysis rather than isozyme analysis wheninvestigating
- Which of the following ecosystems has the highest net primary production (g/m2/yr): (A) Estuary.
- Bioinformatics is the application of computational methods to the storage and analysis ofenormou
- Which of the following is NOT a characteristic of microRNAs?(A) MicroRNAs are found in eukaryote
- Which of the following statement regarding the transcription initiation and RNA Pol I is NOTtrue
- The frequency of antibiotic resistance increases in human populations which is the result of:(A)
- Stigmasterol, ergosterol, bile acids, vitamin D, cholesterol and share all the following commonf
- Meiosis is a special type of cell division. Which of the following mechanism(s) occur duringmeio
- Which of the following enzyme(s) is/are involved in the human nucleotide excision repair ofUV-in
- Which of the following statements is true of Trichomonas vaginalis?(A) It is a prokaryote. (B) I
- The rate of an enzyme catalyzed reaction:can be determined by measuring the increase in produ
- Which one FALSELY describes a genomic library?(A) A genomic library must be performed with a res