搜索结果: 1-15 共查到“生物学 female”相关记录28条 . 查询时间(0.343 秒)
DNA shows poorly understood empire was multiethnic with strong female leadership（图）
DNA 基因工程 生物分子 考古
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2023/6/19
Most of what is known about the Xiongnu people comes from their enemies.
Why we need female mice in neuroscience research（图）
神经科学 雌性小鼠 神经生物学
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2023/6/19
Mice have long been a central part of neuroscience research, providing a flexible model that scientists can control and study to learn more about the intricate inner workings of the brain. Historicall...
Mating causes ‘jet lag’ in female fruit flies, changing behavior（图）
交配 雌性果蝇 时差 生物钟 基因表达
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2023/5/17
A seminal fluid protein transferred from male to female fruit flies during mating changes the expression of genes related to the fly’s circadian clock, an innovative technique has revealed.
Watch female dragonflies wrestle away unwanted males in mid-air
female dragonflies fight mood
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2021/8/10
When it comes to avoiding sexually aggressive males, some female dragonflies play dead. Others, according to a new study, wrestle the males away in midair.
DNA links male,female butterfly thought to be distinct species（图）
DNA links male female butterfly distinct species
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2017/9/1
Researchers recently discovered what was thought to be a distinct species of butterfly is actually the female of a species known to science for more than a century.An international team of nine butter...
Friends Help Female Vampire Bats Cope With Loss
Friends Female Vampire Bats Cope Loss
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2017/7/20
Female vampire bats form strong social bonds with their mothers and daughters as they groom and share regurgitated meals of blood. They also form friendships with less closely related bats. Gerry Cart...
Role of Growth Differentiation Factor 9 and Bone Morphogenetic Protein 15 in Ovarian Function and Their Importance in Mammalian Female Fertility — A Review
Cumulus Cells Granulosa Cells Oocyte Maturation Follicular Development Reproductive Efficiency TGF-β Superfamily
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2016/11/10
Growth factors play an important role during early ovarian development and folliculogenesis, since they regulate the migration of germ cells to the gonadal ridge. They also act on follicle recruitment...
Generation of synthetic male and female walkers through manipulation of a biomechanical invariant
synthetic male female walkers manipulation biomechanical invariant
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2015/8/14
Generation of synthetic male and female walkers through manipulation of a biomechanical invariant.
Effect of Soyabean Isoflavones Exposure on Onset of Puberty, Serum Hormone Concentration and Gene Expression in Hypothalamus, Pituitary Gland and Ovary of Female Bama Miniature Pigs
Soybean Isoflavones Puberty Puberty Delay Bama Miniature Pigs
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2016/5/19
This study was to investigate the effect of soyabean isoflavones (SIF) on onset of puberty, serum hormone concentration, and gene expression in hypothalamus, pituitary and ovary of female Bama miniatu...
Female fish that avoid mating with related species also shun some of their own
Female fish that avoid mating related species shun some of their own
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2015/3/18
A new study offers insight into a process that could lead one species to diverge into two, researchers report in The American Naturalist.Avoidance of another species can lead female fish to avoid mati...
Female pumas kill more, eat less when humans are near, study finds（图）
Female pumas kill more eat less humans are near
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2015/3/4
Female pumas kill more prey but consume less when their territories bump into human development, UC Santa Cruz researchers report in a new study based on monitoring more than two dozen pumas in the Sa...
Honesty and Carotenoids in a Pigmented Female Fish
antioxidants carotenoids Cichlidae coloration immunity
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2014/12/18
The carotenoid tradeoff hypothesis states that diet-derived carotenoids are tradedoff among competing physiological demands, but this statement is rarely tested in ornamented females. The following di...
Vocal Performance in Songbirds: Territorial Defense and the Development of Male Song and Female Mating Preferences
birdsong developmental stress female preferences sexual selection swamp sparrow vocal performance
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2014/12/18
The evolution of sexually selected signals has been a major topic of scientific research since Darwin. In recent years, scientists have focused on how elaborate signals can indicate honest information...
THE ESTRADIOL-INDUCED TRANSCRIPTOME OF THE FEMALE MOUSE ANTEROVENTRAL PERIVENTRICULAR NUCLEUS: MORE THAN JUST A KISS
Estrogen AVPV Ets2 Pdcd4 Kiss1 Ovulation
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2014/12/10
Estradiol (E2) is critical in the reproductive mechanisms of mammals. In female rodents E2 acts through the neurons of the anteroventral periventricular nucleus (AVPV) to exert neuroendocrine control ...
For female chimpanzees, no consent agreement（图）
agreement female chimpanzees
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2014/12/1
In the animal kingdom, the battle of the sexes often truly becomes a battle. Among chimpanzees, males may violently attack females, sometimes resulting in serious wounds. While unpleasant to watch, th...